Reason: The distinguished name of the user might have been changed.
Resolution: This error can be resolved by refreshing the domain that user belongs to. To refresh your domain:
- Log in to ADManager Plus and click Domain Settings.
- In the Domain Configuration page, click the refresh icon located in the Actions column of the domain whose data you would like to refresh.
- Select the data that you wish to synchronize from the options listed in Update Domain Details.
- Click OK to synchronize the selected data.