Same paging code works against a test domain controller, but doesn't work against another different AD domain that has same similar setup (Windows 2012 r2 based). DisableVLVSupport=0
on both domains.
LdapException: (12) Unavailable Critical Extension
LdapException: Server Message: 000020EF: SvcErr: DSID-03140552, problem 5010 (UNAVAIL_EXTENSION), data 0
Error code: 53