Event ID - 8233

Event Id8233
SourceMicrosoft-Windows-IDMU-Psync
DescriptionError changing password. Password history conflict for user. %ruser = %1
Event InformationAccording to Microsoft :
Cause
This event is logged when User can't change password.
Resolution
Correct password history conflict
An error occurred while attempting to change the user's password because of a password history conflict. The password cannot be one that has been used previously.
Users should select new passwords that are unique among passwords they have used to log on to the network in the past. If necessary, domain administrators can modify security policy settings that control the number of unique passwords required before users are allowed to reuse old passwords.
Verify
To verify the functional state of UNIX to Windows password synchronization, retry UNIX to Windows password synchronization. UNIX to Windows password synchronization is fully operational when the password synchronization succeeds, and functioning with warning conditions present if password synchronization fails for some passwords but succeeds for others.
If password synchronization succeeds for some passwords but fails for others, the UNIX to Windows Password Synchronization Service is likely fully operational, but there might be account- or computer-specific configuration problems preventing password changes from being synchronized on UNIX-based hosts.
Reference LinksEvent ID 8233 from Microsoft-Windows-IDMU-Psync

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