Online Defragmentation

It's automatic normally - you don't have to run it at all because it happens as part of the normal operation of Exchange. Hope this helps!

In Exchange Administrator, expand Site Name, expand Configuration, expand Servers, click on Server Name, select File & Properties & click IS Maintenance tag. Here you can schedule the maintenance for the particular server.

It normally runs as default and you can use as suggested ( In Exchange Administrator, expand Site Name, expand Configuration, expand Servers, click on Server Name, select File & Properties & click IS Maintenance tag. Here you can schedule the maintenance for the particular server ).

If that doesn't work take the server off line defrag the systems directory and run performance optimizer.

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