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Win 2012R2 VM server is not displaying RAM correctly in server manager

Posted on 2016-10-13
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Last Modified: 2016-10-22
I'm running a NEW VM of win 2012R2, 64bit.  When I check the properties under "this PC", it shows the 113GB.
When looking in Server manager, it shows only 3.88GB.  I am using fixed RAM.   I tried dynamic ram and it did work,
it actually showed 8GB, what I set it to.

So why is the fixed ram not working correctly?  Since this server will be a SQL box, I was thinking using fixed will be better or faster
for the server, but it does't look like it's going to work.  

Any thoughts how to fix this?

server manager
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Question by:afacts
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11 Comments
 
LVL 59

Expert Comment

by:Cliff Galiher
ID: 41842894
Didn't you just close this question? If this is still an issue, why?

As I asked before, have you patched both host and guest *and* rebooted both host and guest?
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Author Comment

by:afacts
ID: 41842925
Yea, I thought it would have resolved the issue.  I'm installing all the updates.
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LVL 82

Assisted Solution

by:David Johnson, CD, MVP
David Johnson, CD, MVP earned 1000 total points
ID: 41842927
if this is a gen2 vm then there is a hotfix for this
https://support.microsoft.com/en-ca/kb/2942507
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LVL 59

Assisted Solution

by:Cliff Galiher
Cliff Galiher earned 1000 total points
ID: 41842930
One of several post-RTM fixes. Thus the patching request in both questions.
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Author Comment

by:afacts
ID: 41842931
Yes, I'm using Gen 2 vm. I'll install the hotfix
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Author Comment

by:afacts
ID: 41847085
David Johnson, when I run the file, I get the error "the update is not applicable to your computer"

Just so you can see I'm not crazy, under properties, it says it's a 64bit OS installed.
The file gen2 hotfix is also 64 bit, so I'm puzzled.

64bit
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Author Comment

by:afacts
ID: 41847246
I did a test and when I changed the RAM to 8GB, it shows up fine in server manager.
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Author Comment

by:afacts
ID: 41847270
it recognizes 32GB just fine as well in server manager
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Author Comment

by:afacts
ID: 41847273
when I tried 96Gb, it did not recognize it.  So somewhere between 32GB and 96GB it has an issue
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Accepted Solution

by:
afacts earned 0 total points
ID: 41847468
its official, it's a BUG in the OS.  I just assigned another VM the same amount of ram, 115GB, and that VM does the same thing, it only displays 3.88GB.   So with all the updates installed, I guess MS has had over 2 years to fix this issue, but  has NOT.
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Author Closing Comment

by:afacts
ID: 41855091
Thanks guys for your help.!!!
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