Environment
Novell NetWare 6.5
Novell NetWare OES
Novell Nodular Authentication Services
Novell eDirectory 8.7.3
Situation
Getting error NMAS: Invalid User -1649 0xFFFFF98F
when logging into the tree.
Looked at a NMAS trace on the server when the user logged in
(SET DSTRACE = +NMAS ) and it was generating a bunch of -1640
errors.
Search: nmas 1649 1640 98F F98F FFFFF98F login cannot
Resolution
The Tree Keys are likely inconsistent. Verify and Fix
the Tree Keys with SDIDIAG.
KB 3092072 - Verifying and Resolving Tree Key
Inconsistencies will walk you through the process of
fixing the Tree Keys.