This Error Message Article explains the TEKLYNX CENTRAL error message “UMSS Authentication Error Access is denied. Unable to connect to UMSS server. It is not available” and details how to fix the underlying problem that caused it to appear.
An important Windows service is not running preventing TEKLYNX CENTRAL from connecting to the UMSS server to authenticate a user. In the situation where this message was seen, the error message appeared after an attempt to log into TEKLYNX CENTRAL when opening the TC screen on the server due to the Label Archive Server service not running.
Ensure that all relevant services for TEKLYNX CENTRAL on the TEKLYNX CENTRAL server are running.
- TkxSvr Servers Service
- Label Print Manager
- Label Archive Server
- LABELNET Host Common
TEKLYNX CENTRAL Services Not Affected:
- Label Archive Sync Service
- TEKLYNX CENTRAL Main Window Will Not Start – KBA-01324-G1L2T5
- TEKLYNX CENTRAL Services Not Running – KBA-01110-Z9H9T0
Issue Found: Windows Server 2008R2, running TEKLYNX CENTRAL v4.0