0x80070661 - Problem with installation Windows Server 2008 (ESU)

Copper Contributor



We have installed in our environment Windows Server 2008. 
We also activated the ESU key, but any computer with Windows Server 2008 (Physical) occur error 0x80070661 in log (EventViewer).

Afte reboot, the updates are reverting.


Any help us?


Best regard.

Marco Antonio

3 Replies

@Marco Antonio da Silva 


Hi, issue resolved.

After we re-insert the key, we are able to install all updates.


1- activate key

2- /ato (activaction id)