Replication issue for Branch ADC

for few days my vpn down . so, now branch adc  not replicating updates .

any friends.    

   \\igi-wak-dc.indiragroup.edu, when trying reach
         igi-ins-adc.
         server not responding or not considered suitable.
         ......................... igi-ins-adc failed test advertising
      starting test: frsevent
         there warning or error events within last 24 hours after the
         sysvol has been shared.  failing sysvol replication problems may cause
         group policy problems.
         ......................... igi-ins-adc passed test frsevent
      starting test: dfsrevent
         ......................... igi-ins-adc passed test dfsrevent
      starting test: sysvolcheck
         ......................... igi-ins-adc passed test sysvolcheck
      starting test: kccevent
         warning event occurred.  eventid: 0x80000785
            time generated: 10/12/2010   15:44:44
            event string:
            attempt establish replication link following writab
le directory partition failed.
         warning event occurred.  eventid: 0x80000785
            time generated: 10/12/2010   15:45:05
            event string:
            attempt establish replication link following writab
le directory partition failed.
         warning event occurred.  eventid: 0x80000785
            time generated: 10/12/2010   15:45:26
            event string:
            attempt establish replication link following writab
le directory partition failed.
         warning event occurred.  eventid: 0x80000785
            time generated: 10/12/2010   15:45:47
            event string:
            attempt establish replication link following writab
le directory partition failed.
         warning event occurred.  eventid: 0x80000785
            time generated: 10/12/2010   15:46:08
            event string:
            attempt establish replication link following writab
le directory partition failed.
         warning event occurred.  eventid: 0x80000785
            time generated: 10/12/2010   15:46:29
            event string:
            attempt establish replication link following writab
le directory partition failed.
         warning event occurred.  eventid: 0x80000785
            time generated: 10/12/2010   15:46:50
            event string:
            attempt establish replication link following writab
le directory partition failed.
         warning event occurred.  eventid: 0x80000785
            time generated: 10/12/2010   15:47:11
            event string:
            attempt establish replication link following writab
le directory partition failed.
         ......................... igi-ins-adc passed test kccevent
      starting test: knowsofroleholders
         [igi-wak-dc] dsbindwithspnex() failed error 1722,
         rpc server unavailable..
         warning: igi-wak-dc schema owner, not responding ds
         rpc bind.
         warning: igi-wak-dc domain owner, not responding ds
         rpc bind.
         warning: igi-wak-dc pdc owner, not responding ds rpc
         bind.
         warning: igi-wak-dc rid owner, not responding ds rpc
         bind.
         warning: igi-wak-dc infrastructure update owner, not
         responding ds rpc bind.
         ......................... igi-ins-adc failed test knowsofroleholders
      starting test: machineaccount
         ......................... igi-ins-adc passed test machineaccount
      starting test: ncsecdesc
         ......................... igi-ins-adc passed test ncsecdesc
      starting test: netlogons
         unable connect netlogon share! (\\igi-ins-adc\netlogon)
         [igi-ins-adc] net use or lsapolicy operation failed error 67,
         network name cannot found..
         ......................... igi-ins-adc failed test netlogons
      starting test: objectsreplicated
         ......................... igi-ins-adc passed test objectsreplicated
      starting test: replications
         replication-received latency warning
         igi-ins-adc:  current time 2010-10-12 15:59:37.
            dc=forestdnszones,dc=indiragroup,dc=edu
               last replication received igi-wak-adc at
          2010-09-30 18:28:24
               last replication received igi-shvn-adc at
          2010-09-30 18:29:30
               last replication received igi-icem-adc at
          2010-06-07 10:31:23
               last replication received igi-wak-tap-adc at
          2010-09-30 18:28:24
               last replication received igi-ind-adc at
          2010-07-15 10:03:20
               last replication received igi-wak-dc at
          2010-09-30 18:41:32
               last replication received igi-wak-it-adc at
          2010-09-30 18:27:42
               last replication received igi-chn-adc at
          2010-09-30 16:58:26
               last replication received igi-pwd-adc at
          2010-09-30 18:29:30
            dc=domaindnszones,dc=indiragroup,dc=edu
               last replication received igi-wak-adc at
          2010-09-30 18:28:24
               last replication received igi-shvn-adc at
          2010-09-30 18:29:29
               last replication received igi-icem-adc at
          2010-06-07 10:31:21
               last replication received igi-wak-tap-adc at
          2010-09-30 18:28:24
               last replication received igi-ind-adc at
          2010-07-15 10:03:19
               last replication received igi-wak-dc at
          2010-09-30 18:41:32
               last replication received igi-wak-it-adc at
          2010-09-30 18:27:42
               last replication received igi-chn-adc at
          2010-09-30 16:58:25
               last replication received igi-pwd-adc at
          2010-09-30 18:29:29
            cn=schema,cn=configuration,dc=indiragroup,dc=edu
               last replication received igi-wak-adc at
          2010-09-30 18:28:24
               last replication received igi-shvn-adc at
          2010-09-30 18:29:07
               last replication received igi-icem-adc at
          2010-06-07 10:31:19
               last replication received igi-wak-tap-adc at
          2010-09-30 18:28:24
               last replication received igi-ind-adc at
          2010-07-15 10:03:19
               last replication received igi-wak-dc at
          2010-09-30 18:41:32
               last replication received igi-wak-it-adc at
          2010-09-30 18:27:41
               last replication received igi-chn-adc at
          2010-09-30 16:58:25
               last replication received igi-pwd-adc at
          2010-09-30 18:29:07
            cn=configuration,dc=indiragroup,dc=edu
               last replication received igi-wak-adc at
          2010-09-30 18:28:24
               last replication received igi-shvn-adc at
          2010-09-30 18:28:46
               last replication received igi-icem-adc at
          2010-06-07 10:31:16
               last replication received igi-wak-tap-adc at
          2010-09-30 18:28:24
               last replication received igi-ind-adc at
          2010-07-15 10:03:18
               last replication received igi-wak-dc at
          2010-09-30 18:41:32
               last replication received igi-wak-it-adc at
          2010-09-30 18:27:40
               last replication received igi-chn-adc at
          2010-09-30 16:58:24
               last replication received igi-pwd-adc at
          2010-09-30 18:28:46
            dc=indiragroup,dc=edu
               last replication received igi-wak-adc at
          2010-09-30 18:40:21
               last replication received igi-shvn-adc at
          2010-09-30 18:28:23
               last replication received igi-icem-adc at
          2010-06-07 10:31:20
               last replication received igi-wak-tap-adc at
          2010-09-30 18:41:20
               last replication received igi-ind-adc at
          2010-07-15 10:03:19
               last replication received igi-wak-dc at
          2010-09-30 18:41:31
               last replication received igi-wak-it-adc at
          2010-09-30 18:27:40
               last replication received igi-chn-adc at
          2010-09-30 16:58:25
               last replication received igi-pwd-adc at
          2010-09-30 18:29:29
         ......................... igi-ins-adc passed test replications
      starting test: ridmanager
         ......................... igi-ins-adc failed test ridmanager
      starting test: services
         ......................... igi-ins-adc passed test services
      starting test: systemlog
         error event occurred.  eventid: 0x0000041d
            time generated: 10/12/2010   15:04:34
            event string:
            processing of group policy failed. windows not resolve the
 user name. caused 1 of more of following:
         error event occurred.  eventid: 0x00000422
            time generated: 10/12/2010   15:09:04
            event string:
            processing of group policy failed. windows attempted read the
 file \\indiragroup.edu\sysvol\indiragroup.edu\policies\{31b2f340-016d-11d2-945f
-00c04fb984f9}\gpt.ini domain controller , not successful. group po
licy settings may not applied until event resolved. issue may be
 transient , caused 1 or more of following:
         error event occurred.  eventid: 0x00000422
            time generated: 10/12/2010   15:18:59
            event string:
            processing of group policy failed. windows attempted read the
 file \\indiragroup.edu\sysvol\indiragroup.edu\policies\{31b2f340-016d-11d2-945f
-00c04fb984f9}\gpt.ini domain controller , not successful. group po
licy settings may not applied until event resolved. issue may be
 transient , caused 1 or more of following:
         error event occurred.  eventid: 0x00000422
            time generated: 10/12/2010   15:27:59
            event string:
            processing of group policy failed. windows attempted read the
 file \\indiragroup.edu\sysvol\indiragroup.edu\policies\{31b2f340-016d-11d2-945f
-00c04fb984f9}\gpt.ini domain controller , not successful. group po
licy settings may not applied until event resolved. issue may be
 transient , caused 1 or more of following:
         error event occurred.  eventid: 0x00000422
            time generated: 10/12/2010   15:46:49
            event string:
            processing of group policy failed. windows attempted read the
 file \\indiragroup.edu\sysvol\indiragroup.edu\policies\{31b2f340-016d-11d2-945f
-00c04fb984f9}\gpt.ini domain controller , not successful. group po
licy settings may not applied until event resolved. issue may be
 transient , caused 1 or more of following:
         ......................... igi-ins-adc failed test systemlog
      starting test: verifyreferences
         ......................... igi-ins-adc passed test verifyreferences

   running partition tests on : forestdnszones
      starting test: checksdrefdom
         ......................... forestdnszones passed test checksdrefdom
      starting test: crossrefvalidation
         ......................... forestdnszones passed test
         crossrefvalidation

   running partition tests on : domaindnszones
      starting test: checksdrefdom
         ......................... domaindnszones passed test checksdrefdom
      starting test: crossrefvalidation
         ......................... domaindnszones passed test
         crossrefvalidation

   running partition tests on : schema
      starting test: checksdrefdom
         ......................... schema passed test checksdrefdom
      starting test: crossrefvalidation
         ......................... schema passed test crossrefvalidation

   running partition tests on : configuration
      starting test: checksdrefdom
         ......................... configuration passed test checksdrefdom
      starting test: crossrefvalidation
         ......................... configuration passed test crossrefvalidation

   running partition tests on : indiragroup
      starting test: checksdrefdom
         ......................... indiragroup passed test checksdrefdom
      starting test: crossrefvalidation
         ......................... indiragroup passed test crossrefvalidation

   running enterprise tests on : indiragroup.edu
      starting test: locatorcheck
         ......................... indiragroup.edu passed test locatorcheck
      starting test: intersite
         ......................... indiragroup.edu passed test intersite

c:\>

few days means how many days talikng ?

please see if ports opened on firewall.

http://www.pbbergs.com/windows/articles/firewallreplication.html

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http://www.virmansec.com/blogs/skhairuddin