After adding a new queue manager to the LPAR the new queue manager is the default manager in MQLIST panel.
This article explains how to change the default queue manager in SYSVIEW panels.
Sysview 17.0
The MQTGTDEF keyword is used to set the default queue manager.
The MQTGTDEF and CICSTGTDEF are keywords of the GENERAL profile.
The values can be updated by navigating from the Profile panels or using the SET command.
To define the default queue manager from the Profile panels type PROFILE then select GLOBAL and then Miscellaneous to see the MQTGTDEF keyword.
To change the value type the name of the desired queue manager in the Value column.
To change the default queue manager using the SET command execute this command:
SET MQTGTDEF,MQDE
Type HELP SET in Sysview and search for MQTGTDEF to see an explanation of MQTGTDEF.
The use of the set command is explained at the following link of the documentation:
SET Command - Change Your Profile
There is more information about the PROFILE at the following link:
There is a PDF with a description of the Sysview commands at the following link:
SYSVIEW® Performance Management Release 17.0 Command Reference