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KMS Server 2008 and Windows 7 Activation

Posted on 2010-08-26
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Last Modified: 2012-05-10
Hello Experts,
I have a Windows 2008 R2 64bit server running as my KMS server with a Windows 2008 R2 KMS key(Volume_KMS_R2_B channel).
It has been successfully activated since June 15 this year. It has been working fine up until a few days ago.
Now the client workstations cannot be activated see attached image with error.
Has Microsoft released some updates that may need to get this functioning again?

Windows-7-activation-error.PNG
KMS-licensing-server-info.PNG
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Question by:MyTec
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Expert Comment

by:jimmyray7
ID: 33535150
How many servers are using the KMS key?  You need at least 5 servers to use KMS, otherwise use MAK.
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Author Comment

by:MyTec
ID: 33536730
I am currently just using 1 server for KMS activation.
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LVL 8

Expert Comment

by:jimmyray7
ID: 33536793
How many servers are activating through KMS though?
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Accepted Solution

by:
MyTec earned 0 total points
ID: 33536813
After further investigation on the server side from the event viewer for actual KMS events. I determined that there appears to be various workstations with duplicate CMID's as I had multiple event 12290.
The image built using was syspreped using sysyprep /generalize and deployed with ghost this should resolve this?
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Author Comment

by:MyTec
ID: 33636698
this call can be closed I verified this has now been resolved by myself. thx
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Author Closing Comment

by:MyTec
ID: 34049838
I have resolved this on my own.
EE moderators please close this.
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