RAM on SBS2011 as Virtual Machine

sglee
sglee used Ask the Experts™
on
SBS2011 VM Memory Usage
Hi,

  I converted a physical SBS2011 server as a virtual machine in Hyper-V server. A standalone SBS2011 had 24GB of RAM and I assigned the same amount when creating a virtual machine for it.
  Recently we migrated Exchange from SBS to Online and I disabled all Exchange related services in Services.msc.
  Do I still need to assign 24GB of RAM for this virtual machine? Sharepoint is probably still running in the background although we don't use it.

Thanks.
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Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013

Commented:
If you disabled Exchange, I'd probably drop it down to 8 GB.
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
What is left running , if you don't have Exchange and Sharepoint ?

SQL Server and DC ?

Author

Commented:
I did NOT uninstall Exchange, simply disabled Exchange related services in Services.msc. That made this computer run so faster than those days with Exchange running.
I did not uninstall any other programs that were supposedly installed with initial SBS2011 installation.
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Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013

Commented:
SQL shouldn't be running on it.  If the premium add-on was purchased that included SQL, it came with another Server license.  SQL Express may be on there for WSUS or other services, but they can't use too much RAM under normal conditions.

Author

Commented:
@Lee
"If the premium add-on was purchased that included SQL," --> I know what you are talking about, No I did not buy premium add-on. It was just standard SBS2011.

"SQL Express may be on there for WSUS" --> I believe that is the case.

So what is the consensus here? 8, 10, 12 GB?
Out of current 24GB, 6.2GB is for Cache, 7.4GB  is Available, 1.3GB  is free.
How should I interpret these numbers to arrive at optimum RAM amount?
Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013

Commented:
Better question is what is using the RAM right now?  Do you need it?  Does it need it?
Shaun VermaakSenior Consultant
Awarded 2017
Distinguished Expert 2018

Commented:
Post screenshot of the processes tab sorted by memory desc
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
Are you currently short of RAM in the host, and need to get some back ?

Author

Commented:
No, I am not in shortage of RAM.

Author

Commented:
Technology and Business Process Advisor
Most Valuable Expert 2013
Commented:
There are 3 instances of SQL running... I suspect the Windows Internal Database, SBS Monitoring, and something else.  I'd look at limiting the Windows Internal Database instance to 1 GB.

Windows will use RAM if it has it, to a point. I'd feel comfortable dropping it to 8 GB if Exchange isn't running.

You may want to review the IIS sites as well... you likely don't need OWA for example so you can turn that off.

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