4.0.0 HP PolyServe Software for Microsoft SQL Server Administration Guide (T5392-96056, March 2010)

When you select an instance, all the nodes on which the instance has been installed will be selected.
Extending the instance shows details for the instance on each node, including the SQL/OS version
and the Virtual SQL Server/Virtual SSAS.
The Instance Id can be set or changed by clicking and editing old value in the Instance Id column.
When you have completed your selections, click Next. If a Virtual SQL Server/Virtual SSAS for a
selected instance has not been placed in maintenance mode, you will see the following error.
Click Details to see a list of instances that are not in maintenance mode. Note these instances and
then exit from the wizard, place the instances into maintenance mode, and restart the wizard.
Upgrade SQL Server/SSAS 2005 instances in place42