Extending a partition on Windows Hyper-V that has Exchange databases.


We are running a Windows 2012 R2 server.  This server is running Hyper-V.

One of the VM's running on the server is a Windows 2012R2 server running Exchange 2013 SP1.  The Exchange data resides on a D: volume on this server, which is running rather low on space.  I need to extend this partition via the Hyper-V console.  

I have not done this before on a volume that hosts Exchange data.  Should I first dismount the database or can I safely extend the partition without having to do anything special?

Thanks in advance.

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Mal OsborneAlpha GeekCommented:
You need to shut down the VM to edit the virtual disk in HyperV, so Exchange will not be running or accessing anything while this happens.  Once that is done, extending the volume in disk management is straightforward and does not require anything to be shut down.

"Best practice" would probably dictate that you have a tested backup before doing ANY sort of reconfiguration, however this is pretty safe. It is unlikely anything will go wrong. I would probably just do it.

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noxchoGlobal Support CoordinatorCommented:
Normally you do not need to dismount the database. But I guess you are taking backups of it. If not then do it.
Then, you can extend the HDD but for this the VM must be shut down as Malmensa said. So you need to organize a service shut down time for 30 minutes. How to: http://www.altaro.com/hyper-v/how-to-resize-online-virtual-machine-hard-disks-in-hyper-v-2012-r2/
realtimerAuthor Commented:
Thank you very much!
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Windows Server 2012

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