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abhi1024

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Exchange 2010

We have a two node stretched DAG. A CAS-HT Server and a mailbox server in the main office and another CAS-HT server and mailbox server in the data center. A file share witness server is set up on CAS-HT in main office and alternate file share witness server is set up in the DR site.
We want to patch CAS-HT server in the main office. Would taking CAS-HT server down in the main office cause the DAG to failover to the DR site ? Or could the cas-ht server which is also a witness server can be patched and rebooted without affecting the DAG?
We dont want the DAG to failover to the DR site when rebooting the cas-ht server which is also the FSW.
We are aware that Outlook clients will loose connectivity once CAS-HT server gets rebooted.

Thanks.
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Adam Farage
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