troubleshooting Question

Unable to reset user passwords to longer than 16 Characters on 2016 Domain Controller

Avatar of Thomas NZ
Thomas NZFlag for New Zealand asked on
* widnows server 2016* Password complexity* group policy objectActive Directory* AADConnect
5 Comments1 Solution18 ViewsLast Modified:
Hello Experts. I have encountered an odd issue with one of our Client sites.

Site information:
Azure AD connect is being used to sync accounts. Password writeback is enabled.
Windows Server 2016 Standard is in use
Shown Below is the password complexity settings in use at site. There is just 1 GPO that defines these settings and it is the Default Domain Policy.

Azure AD connect was recently reinstalled and updated to the latest version: 1.6.4.0

This issue can be seen by right clicking on any user account and selecting reset password within Active Directory. This issue is not a result of minimum password age being 1 instead of 0.

Example. Trying to reset any user password to Turning45Forks$@1 or Counting45Spoons#$ fails. However right click reset password to: Counting45 works without any issue. Further testing revealed that I was unable to set any password longer than 16 characters. 

I have checked on 2 other clients sites with similar setup. (ADSync and password complexity enabled) - I had no issues with setting passwords over 16 characters. Scratching my head a bit on this one, so coming here to ask the experts. Any assistance, greatly appreciated. Thanks in advance.


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