Environment
 Novell ZENworks Configuration Management 11.1
Novell ZENworks Configuration Management 11.2
  
Novell ZENworks Configuration Management 11.2
Situation
ZCM agent breaks Client Login Extension Version 3.7.1 Patch 4
Resolution
 This is fixed in version 11.2.2 - see KB 7010757 "ZENworks 
Configuration Management 11.2.2 - update information and list of fixes" 
which can be found at https://support.microfocus.com/kb/doc.php?id=7010757
Workaround:
If not using User management, disable / UN-check "User Management" spoke for all the agents, via ZCC | Configuration | ZENworks Agent.
  
Workaround:
If not using User management, disable / UN-check "User Management" spoke for all the agents, via ZCC | Configuration | ZENworks Agent.
Cause
 This is a problem with ZCM user credential provider and Client
Login Extension Version 3.7.1 Patch 4