You can modify most of the parameters that you set when
you created the Configuration
Manager; you cannot
change the queue manager name or the parameters that are related
to migration.
You must stop the
Configuration
Manager before
you can issue this command, and restart the
Configuration
Manager for the changes to take effect:
- On Windows, Linux, and UNIX systems, use the mqsistop and mqsistart commands.
On z/OS, you must
have started the original Configuration
Manager control
process using the /S option. You must stop the Configuration
Manager components using the /F Configuration
Manager, PC option and start
the Configuration
Manager components again using
the /F Configuration
Manager, SC option. 
Select the appropriate link for details of this
command on the platform, or platforms, that your enterprise uses: