A username in Active Directory has an apostrophe, when this is added to TPAM using an Auto Discovery LDAP Mapping, the username is added to TPAM with two apostrophes.
Workaround: Add any user with an apostrophe in their Active Directory username manually rather than via Auto Discovery.
Status: This has been corrected in TPAM 2.5.916. The line item from the 2.5.916 Release Notes:
During auto discovery user names containing a single quote (‘) interpreted as double quote. BFER 7644