Migrating SBS Exchange to new 2016 h-v

BBrayton used Ask the Experts™
Configuring Exchange under W2016 Hype-v.  Here are a couple of questions:

1. Must Exchange run as it own guest Hyper-V ?  Limit cores to 12 cores?  Ram to configure?   12 users Exchange

2. We are migrating to W2016 from SBS 2011.  Will standard migration run porting over older Exchange to 2016?

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Senior Systems Admin
Top Expert 2010
MS doesn't recommend Exchange on DC, so you'll want it on its own VM. RAM should be at least 16GB. Migration is a little complicated, but easier than SBS 2008 to 2013.


I saw something about the install limiting the roles on the server install to Exchange and something else.  That implied to me to not run Exchange in conjunction with file sharing (not DC) guest. ???
Philip ElderTechnical Architect - HA/Compute/Storage

For 12 users 16GB vRAM to 24GB vRAM is more than ample for Exchange to run. Make sure to assign 2 vCPUs or 3 vCPUs to the VM to allow for OS and Exchange to work side-by-side.

I suggest setting up the following for the VM:
 VHDX0: OS - 250GB
 VHDX1: Exchange and Logs - 250GB
 VHDX2: Exchange Databases - 100GB+

Set up Exchange on VHDX1 and then once the migration is complete move the mailbox database(s) over to VHDX2.

The Microsoft Deployment Assistant is awesome. Please follow it.

EDIT: Depending on the backup being used make sure in-guest acquiescence is enabled to trigger a log purge!

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