Message Unable to establish XManager connection launching Database Management Solutions for Db2 for z/OS main menu

Products

• Database Management for DB2 for z/OS - Administration Suite
• Database Management for DB2 for z/OS - Performance Suite
• Database Management for DB2 for z/OS - Recovery Suite
• Database Management for DB2 for z/OS - SQL Performance Suite
• Database Management for DB2 for z/OS - Utilities Suite
• DATABASE MANAGEMENT SOLUTIONS FOR DB2 FOR Z/OS

Issue/Introduction

The following error is displayed when attempting to launch the Database Management Solutions for Db2 for z/OS main menu:
Unable to establish XManager connection

Resolution

From the Panel where message "Unable to establish XManager connection" is displayed, the following steps were followed to resolve the problem:

1. Issue PANELID on the ISPF command line to identify the name of the panel
2. Issue TSO ISRDDN 
3. Perform a member search for the panelid => M panelid
4. Browse the member and make certain that it is pointing to the correct libraries:

           SYS2.ISPF.PANELS(ISP@DB2) 

           2,'CMD(%RSPMAIN PARMLIB(hlq.R170.CDBAPARM) SUFFIX(M0))' 

 
         (Solution) In ISP@DB2 changed R170 reference to new R200 

          2,'CMD(%RSPMAIN PARMLIB(hlq.R200.CDBAPARM) SUFFIX(M0))'  

Logout of ISPF after the change and log back in.