AD ID Account lockout with caller computer name blank.

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i facing issue few users ad id getting locked frequently.

observation:

during account lockout, security event id 4740 getting generated on domain controller. 

in additional information "caller computer name" is blank.

based on various technet & other blogs caried out troubleshooting below tools.

* lockoutstatus,

* alockout.dll

*psexec.exe

*cmdkey.exe

*aloinfo.exe

*findstr.exe

*netwrix.exe

*adlockouts.exe

*nlparse.exe

the identified hostnames few of tools users own hostname, hostname of dc & radius server. still no saved of specious program or service found on system or servers.

does have idea regarding issue.

pls find below snap same.

- sumit duduskar.

hi,

i've has issue previously, due conficker virus. , able find source of infections , clean them using article below.

please see if helps you: click here

reg,

darshan



Windows Server  >  Directory Services



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