Physical Mem Maxed

Our domain controller is a Windows Server 2008 r2 and I have been noticing that the physical memory is getting maxxed out.  On the resource monitor I am showing things like what is included in my attachment.   I am not sure what I need to do?

Any help appreciated.

In our environment, we also run 2 terminal servers (Windows server 2008 r2) and fat client users are on Windows 7.    We have a total of 3 branches and the servers are all located at the main bank and connected thru VPN.
Memory.doc
bankwestCTO/CashierAsked:
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Seth SimmonsSr. Systems AdministratorCommented:
stop the windows modules installer service
by default it's a manual start so if something needs the service it can start when it needs to

also check if windows updates is automatic.  for servers i usually do manually to prevent automatic reboots.  that could be a cause of the high memory usage.  i've seen this a few times on my servers
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bankwestCTO/CashierAuthor Commented:
I meant to add...we also run WSUS for automatic updates and this is actually a virtual server.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Sort by Working Set, not Private.  What's using the RAM?
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bankwestCTO/CashierAuthor Commented:
Sorted by working set and the TrustedInstaller.exe is still at the top of the list followed by dns.exe       New screenshot attached
Memory.doc
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bankwestCTO/CashierAuthor Commented:
On the Windows Modules Installer Properties and the Start and Stop etc buttons are greyed out.    Where is that controlled?
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bankwestCTO/CashierAuthor Commented:
FYI...    I found it.      Service is stopped.    But it didn't help.    Still running at close to 98 -99%  I also set the updates to be manual from now on.   As of right now....There are some updates that DO require a restart that I can't do until users are off server.

Will THAT  (restart needed)  make it still show memory usage at almost 100%?
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bankwestCTO/CashierAuthor Commented:
MAAAANNNNN!!    Guess I didn't find it.    Changed it to manual and stopped service.    Now its back to automatic and running.    So I guess I do need help on where to change it to Manual and Stop.    

The Stop, Start, Resume, etc as I said before, is greyed out.
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Seth SimmonsSr. Systems AdministratorCommented:
you stopped the windows modules installer service?  did the process disappear from task manager/resource monitor?  is dns the highest used process there?  what else is installed on this box?
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bankwestCTO/CashierAuthor Commented:
The service is stopped.   After a reboot the settings stayed????????     Yes dns is now the highest process there and with the windows module installer service stopped, I am now at about 75% memory used.

This is a domain controller.    print server, DNS server, file server
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Seth SimmonsSr. Systems AdministratorCommented:
sounds like problem solved
75% used of 8gb as a DC with those services running doesn't seem unusual
wouldn't hurt increasing to 16gb to give some more breathing room
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bankwestCTO/CashierAuthor Commented:
I was looking at increase, but I can seem to get to where I need.   Logged in as admin, but the slider and drop down that lets you increase from  8 to 16, I cant get to????????????????
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Seth SimmonsSr. Systems AdministratorCommented:
what are you using? vmware or hyper-v?
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bankwestCTO/CashierAuthor Commented:
VMWare
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Seth SimmonsSr. Systems AdministratorCommented:
if the options are disabled you will need to shutdown the guest first
many hardware settings can't be changed while the guest is running
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bankwestCTO/CashierAuthor Commented:
Here is what I am trying and its greyed out

ESX
1.With VMware Infrastructure Client, connect to the ESX host that is managing the virtual machine or to VirtualCenter.  
2.Right-click the entry for the virtual machine.  
3.Click Edit Settings.  
4.If not already selected, click the Hardware tab.  
5.If not already highlighted, click Memory.  
6.
From the window displayed at the right, increase the amount of memory.
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bankwestCTO/CashierAuthor Commented:
Ok, I will give that a try after hours
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