Moving the Primary Active Manager

by [Published on 3 April 2013 / Last Updated on 3 April 2013]

This tip explains how to manually move the Primary Active Manager in a Database Availability Group.

If, for some reason, the server currently hosting the Active Manager role of Primary Active Manager [PAM] fails, this role should automatically move to a surviving server of the Database Availability Group [DAG] which then takes ownership of the cluster quorum resource.

However, you might face a (rare) scenario where this doesn’t happen and you end up with a failed server and with Exchange still thinking that server is the PAM. Among other things, you will not be able to add/remove members to/from the DAG...

So how do we move the PAM to one of the surviving servers? To achieve this, we need to use the command line and use the following Windows Clustering command to move the cluster quorum resource:

cluster.exe “DAG Name” /MoveTo:NewDAG

where “DAG Name” is your DAG Cluster Name and NewDAG is the node where you want to move the PAM to.

See Also

The Author — Nuno Mota

Nuno Mota avatar

Nuno is an Exchange MVP working as a Senior Microsoft Messaging Consultant for a UK IT Services Provider in London. He specializes in Exchange, Lync, Active Directory and PowerShell.

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