LDAP can be used by PaperCut for user authentication and for retrieving user and groups lists as part of our Synchronisation process. It’s the most common alternative to Microsoft’s Active Directory.
This article describes common LDAP errors and provides suggested solutions if you run into them. This will be when running the PaperCut User/Group synchronisation either as a live synchronisation or as a test synchronisation. When the synchronisation runs it should output the error in newly created synchronisation window or alternatively you an view the same error in a more verbose log output within the server.log file located in [app-path]\server\logs at the same time and date it was run.
Error code 49 - Invalid Credentials
This error indicates that the admin DN authentication details entered in PaperCut LDAP settings are not valid.
Possible causes for this error are:
The admin password had been entered incorrectly.
The admin password had been entered incorrectly on the PaperCut Service Accounts when using a Multi-Domain configuration with PaperCut NG/MF.
The admin password has expired.
The admin DN is not a valid user.
Additionally when viewing this error either in the Synchronisation log output or viewing the error in the server.log file, with this particular error it may list a data value, for example: