HP Storage Mirroring V4.5 Software - Manual (Page 106)

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When you select this button, the SharePoint front-end web server specified in the Server Name
field will be extended into the source SharePoint configuration.
Saving configuration changes
After you have changed the configuration parameters, click OK to apply the settings. If you click
Cancel, any changes you have made will be discarded and the previous configuration parameters will
be used.
When you have finished configuring the optional protection options, continue with
Validate the
Configuration on page 9-1.
NOTE:

After you click Connect Server, it is recommended that you connect to both the
source and target front-end web servers using a browser.

The process of connecting a front-end web server to an existing SharePoint
configuration can take several minutes to complete. During this time, you will be able
to perform other tasks within the Configure Protection window; however, you will not
be able to close the Configure Protection window until the task is complete.

You must manually install the Central Administration web application after the target
has been extended in order to be able to administrate SharePoint in the event of a
failover.
NOTE: If you close the Application Manager prior to enabling protection, your changes will not
be saved. You must enable protection in order to save your configuration settings for a
source/target pair.
If you modify your configuration on the source server (such as adding a new storage
group or database to a directory that was not included in the replication set), you must
disable protection, run validation and fix any issues, then re-enable protection to apply
the changes to the Application Manager replication set.