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Exchange server 2010 Impact when ESX is put in Maintenance Mode.

Posted on 2013-11-05
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Exchange server 2010 Impact when ESX is put in Maintenance Mode.

We have Exchange server 2010, 2 servers are used for Mailboxes and 2 used as Hub/CAS

for instance

SMB1 = exchange Mailbox server resides on ESX1
SMB2=  exchange Mailbox server resides on ESX2
HubCas1 = Exchange Hub/CAS server  resides on ESX3
HubCas2 = Exchange Hub/CAS server  resides on ESX4

we have hardware issue with ESX1 and ESX3 ( we need to replace the DIMMs), so, I believe we need to put the ESX servers in maintenance mode, so that Exchange servers will vmotion to other ESX servers.

I would like to know if there are any steps to take in regards to Exchange servers before we put the ESX servers in maintenance mode and may be after ESX servers come out of maintenance mode?

Any help will be very much appreciated.

Thanks
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Question by:jskfan
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Expert Comment

by:Amit
ID: 39625550
Do you have DAG?
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Author Comment

by:jskfan
ID: 39625558
Yes both Exchange mailbox servers are members of a DAG
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Amit earned 500 total points
ID: 39625584
Then it is much easier. Don't need to use Vmotion. Follow this.

1) login to SMB1 = exchange Mailbox server resides on ESX1, open EMS, browse to Exchange binary folder. Under that you will find a folder name script. Type this:

StartDagServerMaintenance.ps1 -servername SMB1

This command will move everything to SMB2. Now SMB1 is out of DAG mix and you can do your task on ESX1.

2) Once task completed. Login to SMB1 again and type below in EMS:

StopDagServerMaintenance.ps1 -servername SMB1

then

RedistributeActiveDatabases.ps1 -DagName YOURDAGNAME -BalanceDbsBy
ActivationPreference

3) For HubCas1 = Exchange Hub/CAS server  resides on ESX3, if you have HLB in place then you don't need to do anything. HLB will take care. If not, do it after off hours.
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Author Closing Comment

by:jskfan
ID: 39628136
Thanks ...I will try it
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