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zoran_grdic
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windows authentication and sbs console error on SBS 2008

Hello,
 
Since a week ago our SBS 2008 is not functioning properly.Users have reported that they cannot print through any of the printers installed on SBS 2008.
 
When I tried to access the server I could not log on to the server as administrator because of following error:
 
“Windows SBS 2008 Console has stopped working” and Windows Authentication “an unauthorized change has been made to windows”.
 
After a restart I could log on and I have reinstalled SBS 2008 console. For a day everything was ok. After a day same problems came back and there were errors in event log viewer:
 
Microsoft-Windows-Security-Licensing-SLC (Event ID 8193; 1022)
 
I tried to check the license validation using slmgr.vbs script but it was not possible to run the script. In CMD I have typed slmgr.vbs /? and got Windows Authentication “an unauthorized change has been made to windows” error again.

windows activationwindows script host windows
When running that script a lot of functionality of the servers gets blocked. Also the printers, control panel, windows update are not functioning till you restart a server again.
 
It seems to me that slmgr.vbs script is corrupt. I have seen on forums that more people are having this problem but no solution.
 
sfc \scannow did not find any problems. The server is installed 2 years ago and has a valid licence.
 
Does anyone know how to fix this problem?
 
Your help is highly appreciated.

Thank you.
 
Zoran
Microsoft Legacy OSMicrosoft Server OSSBS

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zoran_grdic

8/22/2022 - Mon
ASKER CERTIFIED SOLUTION
slinkygn

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slinkygn

The current link to MGADiag seems to be: go.microsoft.com/fwlink/?linkid=52012 .
zoran_grdic

ASKER
thanks for the answer. the problem was not so long ago installed avast business protection antivirus software.
Your help has saved me hundreds of hours of internet surfing.
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