2262725 - Error 2946 "Failed to create service key syb_xpskey" when xp_cmdshell command is executed - SAP ASE

• When executing xp_cmdshell command from master or user database, isql hangs and error below is reported:

kernel  XP Server failed to start. Check if there is an entry for XP Server in sysservers table.
server  Error: 2946, Severity: 16, State: 5
Failed to create service key syb_xpskey.
kernel  XP Server started successfully.
server  Error: 3701, Severity: 11, State: 1
server  Cannot drop the encryption key 'syb_xpskey', because it doesn't exist in the system catalogs.
kernel  XP Server timed out. Check XP Server errorlog file.
kernel  XP Server failed to start. Try bringing up XP Server manually. Check ASE documentation for more information on how to bring XP Server up.
kernel  XP Server timed out. Check XP Server errorlog file.

• Corresponding error in XP server errorlog is:
  
  16331 - Recursive Calls to srv__seterr()

• SAP Adaptive Server Enterprise (ASE) 15.7
• SAP Adaptive Server Enterprise (ASE) 16.0

interfaces, srv__seterr , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem