Running SBS2011 as a VM with 2 other vm's under vmware

ndidomenico
ndidomenico used Ask the Experts™
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We need to replace our SBS2003 server (physical server) with SBS2011. We will also need to setup 2 or 3 additionnal servers (SQL) for our new accounting software, document management system and BESX server. We have an environment of 35 users.

We are looking at the possibility of running all of these servers as VM's under vmware. Do you see any problem or performance issues in running the SBS2011 as a vm ? Or since the sbs2011 it is acting as the main DC, Exchange server, file server, dhcp, RWA, VPN server, etc should we run it on a stand alone physical server and put the other servers on a vmware host ?

I am curious to see what is the industry standard or "Best Practice" regarding SBS environments and virtualization.

Thanks
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Distinguished Expert 2018

Commented:
All of my SBS installs are virtualized. Spec the server accordingly and it runs fine.

-Cliff

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Commented:
Thanks cgaliher. How many virtual cpu's and ram would you recommend assigning to the SBS2011 vm ? (35 users environment).
Distinguished Expert 2018
Commented:
SBS is an all in one solution, and as such its loads can vary wildly. A 35-user server that sees light email use but heavy SharePoint use (as an example) will need both more CPU for SQL and RAM for caching than a site that does not use SharePoint. Email usage can really change Exhange's footprint as well.

16 Gigs of RAM is a good baseline. 4 cores on a reasonable spec box is good as well, but in vmware you can overcommit your CPUs so that doesn't mean much.

Those are baselines, but then you can adjust as necessary based on what you see when you do performance monitoring.

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