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hi!! updated today windows 10 , surprise dont have conecction avaiable on control panel>change adapter settings. tryed download drivers official website of intel 82579v  but when try install after long time message told me no intel 82579... found on computer. motherboard is: asus-p8z77.if dont remember bad,i think network card motherboard realtek ,why here appears intel? the same happens wifi,i tryed download many drivers of them works. im confused that. time! :) you not supposed pick win 10 older driver rather os driver written for.  10074 @ least 3 builds behind , buggy.   need update 10130 you have far many issues fix 1 @ time should run system file check first step. your issues include file system corruption acquisition of genuine ticket failed the master file table (mft) contains corrupted file record please run system file check   (sfc) & dism (if necessary) if on win 8 or higher all instructions in our  wiki...

is there way emulate usb removable storage, i.e. make dell powervault nas connected network via ethernet appear windows 2008 usb hard drive can schedule backups it. regards, deyton hi deyton,   as far known, windows server system don't have built-in feature emulate device connected ethernet port usb removable storage. due technical limitation, cannot schedule backup network share windows server backup, recommended consider using other backup software schedule backup nas device.   thanks understanding. david shen - msft Windows Server  >  Management

hi, it's second time have critical error hyper-v - lost connection. os server 2008 r2 hyper-v role , there 6 vms on it, lost connection state vm exchange 2010. i'm unable start rdp on lost vm , virtual machine connection in hyper-v console can show vm's desktop only! of' course network connection vm unavailable. there lots of errors on vm during state, no errors on host machine. error    11/04/2010 11:56:41 p.m.    msexchange adaccess    2501    general error    11/04/2010 11:54:16 p.m.    msexchange adaccess    2122    topology error    11/04/2010 11:54:16 p.m.    msexchange adaccess    2104    topology error    11/04/2010 11:53:41 p.m.    msexchange adaccess    2604    general error    11/04/2010 11:48:45 p.m.   ...

i'm not sure whether post here or in security forum. so, did both.  i have problem windows server 2008r2 keep restarting after kb2656356 installed. won't login screen. can replicate behavior, have no solution it. server running sql server 2005 latest service pack(sp4).  does wsus report can share me perhaps? update installed manually.  hi, this update installed manually. this security update microsoft .net framework 3.5.1.could make sure install correct version of .net framework? why not install update through wsus? my suggestion restore backup.check update latest updates wu.don't intall manually may lead incompatibility if not necessary. if problem persists,you'd better post new thread on setup deployment forum . thank supporting , understanding.   best regards, clarence please remember click “mark answer” on post helps you, , click “unmark answer” if marked post not answer question. can beneficial other co...

hi, we designing solution related storage pool creation iscsi lun. in situation, created 3 x 3tb iscsi lun on san storage , presented hyper-v cluster. can create storage pool contains 3tb iscsi disks, storage pool 9tb in total, , 9tb virtual disk storage pool form csv. however, found storage spaces supported using sas storage. may know if existing design certified design or not? thanks! reference: https://technet.microsoft.com/en-us/library/hh831739.aspx claiming storage spaces needs: serial ata (sata) or serial attached scsi (sas) connected disks, optionally in just-a-bunch-of-disks (jbod) enclosure thanks gleb, wondering if supported microsoft because can create storage pool iscsi lun article mentioned not supported.  Windows Server  >  Hyper-V ...

good afternoon, i have 4 dc's in domain 2 windows server 2008 , 2 windows server 2012. since upgrading ie11 on 2008 dc's i've since lost functionality update ie group policy settings, since have configured them using 2012 dc's under user configuration, control panel settings, internet settings, ie10. when apply gpo test amount of users, not pull down correct settings, rsop confirmed gpo being applied test users not replication ie10. my questions are: 1. can still see 'old' proxy/ie settings unable edit them due removal of internet explorer maintenance, have effect on new settings applying users? 2. when looking @ rsop console can see 'internet explorer branding' has failed when applying, affect application of proxy/ie settings in new rsop ? thanks replies in advance. san. hi san, >>1. can still see 'old' proxy/ie settings unable edit them due removal of internet explorer maintenance, have effect on new settings apply...

i have 2 remote sites both on seperate bt broadband connection , each site sbs 2003 server. my question - can join both small biz servers together, perhaps using vpn, , configure file sharing, perhpas using dfs, whatever site @ can see files , emails? have tried setting 1 server domain controller and joining other 1 without finishing setup seems work server server, cannot see domain or either server workstation @ either site. vpn seems 'disconnect' pc's seeing server. workstations xp pro , servers dell t300. resources have found http://support.microsoft.com/kb/884453 . appreciated - forgot ran dcpromo on 2nd server , selected 2nd option. Windows Server  >  High Availability (Clustering)

i running 2008r2 remote app server win7/xp(sp3) clients.  devices date on current service packs , patches.  can open rdweb applications , paste between other rdweb applications, cannot paste rdweb local applications.  can paste between various locally running applications, not local application rdweb application.  each machine maintaining it's own paste buffer, not exchanging between server , local machine. i have tried using different applications on both local , remote app, same results (word, excel, notepad). i have verified client , server settings set allow printer , clipboard resources, , have verified there no gpo's applied either server or client. i have tried include relative information can, please feel free ask questions , best possible. any resolving appreciated! sean hi sean, on rdsh server please open remote desktop session host configuration (tsconfig.msc), double-click rdp-tcp.  on bottom of client settings tab verify clipboa...

hey guys, i'm looking list of users , last login, in it's simplest form i'm trying this: get-aduser -filter * -searchbase 'cn=users,dc=domain,dc=com,dc=au' -properties name,lastlogontimestamp | select name,lastlogontimestamp | out-gridview which works in way, problem of 'lastlogintimestamp' properties empty. if go through ad explorer (from sysinternals) there value in property.  even if test own user name logs in every day returns blank. if blank @ problem in script, of them return correct value. is there i'm missing? hey guys, i'm looking list of users , last login, in it's simplest form i'm trying this: get-aduser -filter * -searchbase 'cn=users,dc=domain,dc=com,dc=au' -properties name,lastlogontimestamp | select name,lastlogontimestamp | out-gridview which works in way, problem of 'lastlogintimestamp' properties empty. if go through ad explorer (from sysinternals) there value in property.  ev...

a few questions around process.  didn't seem find in migration documentation. i have enterprise root ca i'd migrate stand alone offline root ca.  there i'd publish crl's, enable web enrollment, , issue certs online subordinate ca. this how see being done: backup root ca database, , registry export ca root cert import ca root cert on offline ca remove adcs root ca install adcs on stand alone offline ca modify default domain policy include root cert in trusted ca's issue subca cert , export install adcs on subca, , import cert restore db/registry settings subordinate ca do these steps correct?  want ensure devices can still auto-enroll certs, , know go them , crl's.  i'm not of correct migration steps this.  in advance assistance! looks correct. have reconfigure cdp extension (crl files must published locally , moved target locations manually) , crl publication intervals. recommended disable delta crls @ all. my weblog: http://en-us.sysadmi...

hi all, file screening, windows 7 local system. thanks sathish hi, thanks post. to move on, please describe more details requirement. besides, file screening feature, this appears exclusively feature of windows server based on research. please go through following article more information: file screening management https://technet.microsoft.com/en-us/library/cc732074.aspx file server resource manager (fsrm) – part 4: file screening https://4sysops.com/archives/file-server-resource-manager-fsrm-part-4-file-screening/ please note: since web site not hosted microsoft, link may change without notice. microsoft not guarantee accuracy of information. best regards, alvin wang please remember mark replies answers if , un-mark them if provide no help. if have feedback technet subscriber support, contact tnmff@microsoft.com. Windows Server ...

new file share fail on cluster. 2 virtual nodes running server 2016 shared vhd virtual disks. the clustering portion seems working @ point, roles , shares etc fail on fine access network constant etc. the remaining problem seem have accessing previous versions. i set shadow copies within "failover cluster manager" stored on same volume data i'm not using separate disks or volumes store shadow copies.  i can see shadow copies on volumes in disk management , vssadmin, example: contents of shadow copy set id: {107cab90-45bb-4b2d-9637-bf2d9f266f73}    contained 1 shadow copies @ creation time: 22/03/2017 12:00:43       shadow copy id: {ebd4c1ce-f567-450b-953c-2b159d56f54a}          original volume: (r:\shares\share-1\mi\)\\?\volume{49e78522-7de8-4cbb-968a-a81cc0c9732a}\          shadow copy volume: \\?\globalroot\device\harddiskvolumeshadowcopy2162          ...

hello all:  i have problem windows server 2016 tp5 (that's happend in tp4). have following configuration: 4 physical nics attached server in team in lacp mode . on team have virtual switch , virtual ethernet management host. after boot, interface showed up, , tcp/ip protocolo (and others) correctly bounded , attached device, adapter doesn't work. server unable send/receive packets until disable+enable of virtual nic. someone can me or howto debug that? maybe problem team? virtual switch or virtual ethernet? thank in advance, regards. luis. hi luis, thanks posting here. >>someone can me or howto debug that? maybe problem team? virtual switch or virtual ethernet? please check if following methods helpful: method1: check figure below if used hyper-v manage vms method2: change teaming mode " switch independent " method3: check illustration below: best regards, andy_pan ...

window 2008 ad i need force change password @ next login.  without having edit gp, can highlight users in ad users , groups , 'tick' change password @ next login?  appears though can, don't have means test @ moment. also, local group policy editor has of properties greyed out.  using account has domain admin & enterprise admin rights shouldn't user able make changes? thanks in advance. marty marty nelson, jr. mcse, mcse:security, mcse:messaging, mcdba smartech computer services, inc. 511 shady ridge road nw hutchinson, mn 55350 martynelsonjr@mysmartech.com 320.583.5000 (mobile) open ad users , computer management console > select mutiple users or bulk no of users > right click > click property > click account change whatever need apply > ok " never panic before reboot ! " Windows Server  >  ...

hi when open tsadmin shows in taskbar , not maximizes. when right click it, no context menu displayed. when check in task manager shows tsadmin running. can 1 please help. thanks hey dudes the problem @ point ts manager window position settings saved in high-resolution session; running in low-resolution session, values position off viewable screen. to solve problem, start regedit , navigate registry key: hkey_current_user\software\microsoft\windows nt\currentversion\terminal server\tsadmin delete "placement" value , exit regedit. Windows Server  >  Remote Desktop Services (Terminal Services)

hello there, did not know put this, thought apply in area of networking itself. hp-proliant server running windows server 2012 standard here dilemma, have tried 2 internet sources, via router, , hotspot, switched hotspot after found isp did not people hosting servers in basement, tried verizon jetpack hotspot (one work gave me) both of failed @ creating proper ftp connection via tcp, before it, have forwarded ports, use dmz testing purposes, have disabled windows firewall, , double checked settings on application, filezilla server, 1 thing found able make contact, not form complete socket. (i saw connection being formed, through console later timed out.) question ask should troubleshoot. though on router, able open rdp port, 3389, no problem, others seemed not work. hello anne, help. figured issues internal firewall cant disable on firewall, help. Windows Server ...

i asked run command on server during troubleshooting session , unfamiliar it. type of command , do? nt_autoupdate.getautomaticupdatesserviceinfo() hi, thanks posting. what’s context of command?  it’s hard explain since have 1 line command , don’t know context. and script related question, think may post @ official scripting guy forum! the official scripting guy forum http://social.technet.microsoft.com/forums/en/itcg/threads the reason why recommend posting appropriately qualified pool of respondents, , other partners read forums regularly can either share knowledge or learn interaction us.  thank understanding. lawrence technet community support Windows Server  >  Windows Server General Forum ...

is there best practise expired certificates on client? unfortunately have situation person setup our ca managed fuck remotedesktop certificate issuing clients every client computer have 50 or remote desktop authentication certificates expiring. fills eventlog ton of eventid 64 each end every certificate. makes eventlog useless indicator important certificates may not have been renewed. what recommended way of handling , how handle other certificates shouldn't renewed? let them , eventid 64 entries stop showing after x months? hi, event 64 tell certificate expire or expired, may open certmgr.msc renew or delete if don't need them anymore. please refer below links: event id 64 — ad cs certification authority certificate , chain validation http://technet.microsoft.com/en-us/library/cc774595(v=ws.10).aspx fixing event id 64 certificateservicesclient-autoenrollment warnings http://www.hagrin.com/342/fixing-event-id-64-certificateservicesclient-autoenrollment-...

i don't mean sound idiot how choose updates installed , when installed? security updates fine things driver updates , third party software should not pushed without opt-out.  example don't want nvidia's entire display suite or asus's adma00 driver or logitech's control software. i've browsed through both control panels , have also checked "never install driver software windows update." radio box. there seems no current way change this, please tell me i'm wrong.  but things driver updates , third party software should not pushed without opt-out.  example don't want nvidia's entire display suite or asus's adma00 driver or logitech's control software. i've browsed through both control panels , have also checked "never install driver software windows update." radio box. there seems no current way change this, please tell me i'm wrong. have @ 1 posted forum mod forum ...... how block automatic reinstal...

hi, there  a requirement have 2 domains. dev.com production domain controller , oim.com used development test.user in oim.com need access resources dev.com , dev.com users must not able access resources oim. com ! domain controller in oim.com crashed few days , there had 1 domain controller in oim. hence have re imaged dc ad promoted server dc again , trying reconfigure external trust between oim.com ad dev.com oim.com has 1 dc - windows 2012 r2 ( functional level - windows 2008r2) dev.com has multiple dc - windows 2008 r2 ( functional level - windows server 2003) i have created 1 way outgoing trust oim.com dev.com , when validate trust oim.com trust validate successfully. when validate trust dev.com getting error " windows cannot find active directory domain controller oim.com.vreify addc available , try again. i able ping domain controller both domain vice versa , have created conditional forwarder in oim.com dev.com , added respective dns ips. in dev.c...

hello. i have domain 2 dcs. not replicating. signs point rpc issue haven't been able track down fix. dc1.domain.local - server 2008 r2 ip: 10.0.0.11 dns: 10.0.0.11 dns: 10.0.0.12 dc2.domain.local - server 2008 r2 ip: 10.0.0.12 dns: 10.0.0.12 dns: 10.0.0.11 can fqdn pings/nslookup between both servers. set following in registry future dc on vpn: [hkey_local_machine\software\microsoft\rpc\internet] "ports"="5000-5100" "portsinternetavailable"="y" "useinternetports"="y" opened ports 5000-5100 in firewall. disabled both firewalls testing. no other routers in between results of "portqry.exe -n dc1.domain.local -e 135" itself. same result dc2 dc1.notice isn't listening on 5000-5100. "portqry.exe -n c:\portqryv2>portqry.exe -n dc1.domain.local -e 135 querying target system called: dc1.domain.local attempting resolve name ip address... name resolved 1...

hi, have been connecting system  my vm giving gateway credentials today have got connected first gettin error remote desktop can dinf computer might mean not belong specifed network have clear cache can me this? hi, how did rdp office vm, via host name or ip address? if used host name, please try ip address see if issue persists. in addition, operating systems of office vm , vpn client computer? remote settings on office vm? please make sure remote desktop connection allowed office vm version of vpn client.   in addition, please make sure remote desktop enabled in private , public networks port 3389 not blocked. if above suggestions not helpful, maybe can clear remote desktop credential cache deleting mru entries: hkey_current_user\software\microsoft\terminal server client\default , enabling “ do not allow passwords saved" user in local group policy edit/user configuration/administrative templates/windows components/remote des...

hello, from time time "there no logon servers available service on request" error on of servers.  i connect server , run ps test-computersecurechannel cmdlet , "false" boolean in return.  a test-computersecurechannel -repair or reboot fix issue having trouble identifying root cause behind this. servers kept online , run on virtualized environment.  do have tips on finding source of problem? thanks jeremy hello, from time time "there no logon servers available service on request" error on of servers.  i connect server , run ps test-computersecurechannel cmdlet , "false" boolean in return.  a test-computersecurechannel -repair or reboot fix issue having trouble identifying root cause behind this. servers kept online , run on virtualized environment.  do have tips on finding source of problem? thanks jeremy Windo...

greetings updated nokia lumia 520 , windows 8.1 windows 10, windows ,and capacitive buttons no longer working, search button responding. since these main navigation keys, cnt use phone please same problem here, wp. 8.1 works normal windows 10 , home buttons not work @ all. search button works normal. replaced digitizer yesterday, non genuine, ordered on ebay. software problem or non genuine digitizer fault? Windows 10 Insider Preview  >  Windows 10 Insider Preview Feedback

hi, installed wsus 3.0 sp2 in server 2008 r2 64 bits machine, and configured manualy. have 3 client computers wsus not see of them, instead i getting error message attached below. firewalls off , automatic updates. server dc and all clients pcs ok in domain. not know wrong. appreciated. i found it!!!! i had failed configure reverse lookup zone in dns. once configured, machines appeared @ once! :-) thanks lot! Windows Server  >  WSUS

hi, i seeing strange issue on windows server 2012 rds deployment. setup is: 2 x management server running gateway, rdweb , ha session broker 3x rdsh servers all certs internal pki (url’s , fqdn’s correct) the issue seeing when using windows xp machines access apps published in rdweb site getting “the connection has been terminated because of unexpected server authentication certificate received remote computer”. this error seems related crl of certs. using certutil able access crl. windows 7 computers work deployment above have crl error: “a revocation check not performed certificate” this can bypassed , apps accessible. again certutil can access crl. i have done of usual’s: ensure root ca installed in computer trusted root ca manually download , apply crl verify crl accessible cut new certs ensure of computers names , aliases in san’s forced used of gateway server bypassed gateway server removed servers 1 server running components (rd gw, rd c...

a real simple question: when using windows update (not wsus installed separately) set database on local machine? have not been able find one. i'm looking @ doing programming wsus database , api, , have never programmed wsus. i have on 20 sql servers want monitor , data mine web patch management issues. best advice on way proceed appreciated. thanks. a real simple question: when using windows update (not wsus installed separately) set database on local machine? have not been able find one. i'm looking @ doing programming wsus database , api, , have never programmed wsus. i have on 20 sql servers want monitor , data mine web patch management issues. best advice on way proceed appreciated. thanks. the windows update agent has jet4-based datastore keeps history information in. you can find in %windir%\softwaredistribution\datastore\datastore.edb lawrence garvin, m.s., mcitp:ea, mcdba, mcsa principal/cto, onsite technology solutions, houston, texas microsoft mvp - software ...

hello, we monitor several windows computers using software 3rd party vendor. (n-able technologies) on our servers, have observed after automated routines find "unscheduled shutdown" window displayed after these routines.  after asking few questions n-able, found out restart routine included shutdown /f /r command ensure shutdown completed successfully. my question following: could potentially dangerous servers may have have sql or exchange databases on them?  possibly cause corruption if databases forced stop? we have servers range 2003 2012 majority of them being sbs servers. thank you, jesse hiya, usually unscheduled shutdowns if servers shutdown without reason. if use the /d option should good. the /f command can problem when dealing exchange , sql databases. default value of force command 30 seconds , exchange , sql servers can take longer shutdown properly. you can use /t xx given time, restart computer after time interval. ...

hello,    trying utilize new print management features windows 2003 r2 on our print server, need update ad schema ver. 31. 2 dc's running windows 2003 sp2 - standard edition. just little paranoid when comes making changes. know need copy adprep r2 cd our dc has 5 roles run following command: c:>adprep /forestprep just wondering if there potential issues run into? should update take place after hours, etc... i guess question how can tell current schema version is? zt in general, should carry out production changes after hours - although in case, performance impact , risk relatively low. far potential issues concerned, refer http://support.microsoft.com/kb/919938 for detailed steps, refer http://social.technet.microsoft.com/forums/en-us/winserversetup/thread/ea63f305-8780-4778-8aec-30b124ea1fca to identify schema version, use of methods described in http://social.technet.microsoft.com/forums/en-us/winserverds/thread/57da8870-9e64-4567-a9c9-a2b48d90...

hi, i have 3 wsus servers running in autonomous mode in 3 different sites. each site has own ou of computers. each ou has own gpo site wsus server. have moved few computers ou of site ou of site b. computer objects still appearing in wsus console of site a.  as per understanding computers should remove automatically wsus of site after ou changed. if have remove them manually wsus console of site too? thanks mcse (server infra 2012) hi sashrafali, >as per understanding computers should remove automatically wsus of site after ou changed. if have remove them manually wsus console of site too? generally, wsus server won't detect these clients not point clients change settings, original computers still appear in "computers" on wsus server. may delete them manually, or may run server cleanup wizard after around 1 month, since these computer won't report wsus server anymore, , server cleanup wizard delete computers haven't contact sever on 30 day...

hello, (i'm using windows 2008 r2 sp1 core) i've been granting following privilege tomcat6bts user account: ps d:\> ntrights +r seservicelogonright -u tomcat6bts  granting seservicelogonright tomcat6bts   ... successful i not able find wmi class or powershell cmdlet or whatever tool, able display users security privileges. tool able show partial privileges information whoami.exe, logged on user, , incomplete .... not rights shown. for example: run cmd.exe tomcat6bts runas.exe, use "whoami /priv", granted seservicelogonright not shown .... weird: d:\>whoami /priv /user user information ---------------- user name        sid ================ ============================================== exttc\tomcat6bts s-1-5-21-1346785790-1294433142-4283818741-1000 privileges information ---------------------- privilege name           ...

hi, we trying rid of windows server 2003 domain controller, dns , dhcp server. basically, have 2 dc (2003 , 2008 r2). planning demote or decommission 2003 server leave week 2008 r2 install 2012 r2 server new dc. my problem both server(2003 , 2008 r2) ad, dns , dhcp. have moved fsmo roles 2003 server 2008 r2. have exported dhcp database , authorised 2008 r2 server. however, stop dhcp , dns service 2008 r2 server doesn't seem overtake new position. basically, saying once stop services in 2003 server, 2008 server doesn't lease ip. doesn't work , start running dhcp services starts working fine. same problem dns, if service stopped start loading pages , sends error saying can't access. what doing wrong here, have moved fsmo, dhcp installed, authorised , running , 2008 r2 secondary dns server. regards, aarif hi, the answer question in our firewall hasn't specify new dhcp server ip , dns ip. guys working before come didn't demote 2000 server , f...

hello experts, facing issue dns resolution. have 2 sites site a(2003 r2 dc) & site b(2008 r2 adc) domain name is  abc.co.in , have forwardlookup zone  abcl.com  ( mail.abcl.com/dev.abcl.com ) i able resolve host recoreds for  abc.co.in  &  abcl.com  from site a i facing issue site b unable resolve records for  mail.abcl.com when trying resolve using ============================== ============================== nslookup  mail.abcl.com  192.168.0.5  (site b adc) getting below output server :  adc01siteb.abc.co.in address : 192.168.0.5 non autoritative answer : name :  com.co.in address : 192.254.185.209 aliases :  mail.abcl.com.co.in ============================== ============================== == mail.abcl.com  - 192.168.0.11 (actual internal record) i want k...

few days back, getting authentication issues in member server in our domain controller. error - invalid user name or bad password. after reset secure channel got resolved again facing same issue. can guide me how fix issue. event id - 4, , 14 please me fix issue regards, suman dcdiag shows error related netlogon , replication...it seems didn't open command prompt in run administrator. try dcdiag after opening run administrator , check netlogon , replication test failing? could please let me know exact error message , corresponding event @ time of issue? Windows Server  >  Group Policy

i planning domain controller migration between 2 geo-location sites. existing environment server 2008 r2, promoting server 2012 r2 domain controller in new site , shut down server 2008 r2. i know if there issues while transferring fsmo roles server 2008 r2 server 20012 r2. i have lot of services pointing domain controller on server 2008 r2, including exchange server 2010. any suggestions appreciated.  thanks! in terms of moving fsmo roles there shouldn't issue. see http://trunkofmemorie.blogspot.co.uk/2012/12/how-to-change-fsmo-roles-in-windows-2012.html step step guide process. it's changed since earlier versions, , believe 2012 box involved it's recommended 2012 box take roles rather existing box giving them. at least in theory services exchange etc should pointing domain, not dc itself, when add additional dc network they'll able reference both servers, , when old 2008 box demoted they'll continue before, but they'll using new dc instead...

we are running 3 virtual servers on 1 host. sbs 2008,  server 2008 , server 2000. server 2000 taking long time boot tried adding legacy network adaptor. received , error when tried apply settings cancelled operation. when tried restart vm got anther error saying vm file did not exist. not edit vm anymore. after rebooted host, server 2000 virtual machine not longer listed in hyper v (the file still existed on disk). other 2 vm's ok.  i recreated vm using same vhd , repeated process same result, twice. idea going on?  can connect original vm? how avoid in future? hi,   if vm disappeared hyper-v manager console, can perform suggestions in following post back.   vm not appearing in hyper-v manager http://social.technet.microsoft.com/forums/en-us/winserverhyperv/thread/135d1385-4b75-4737-80de-f8c517c25f8d   the vm disappeared hyper-v manager console cause antivirus software, confirm whether have antivirus software on hyper-v host machine. if have a...