Tuesday, 7 June 2011

Windows Server 2008 R2 - Service Pack 1 installation failed with error code 0x800f0828

Installation of SP1 for Windows Server 2008 R2 fails with error “Service Pack installation failed with error code 0x800f0828“ and an event is logged in the System log: “Installation Failure: Windows failed to install the following update with error 0x80070643: Windows Server 2008 R2 Service Pack 1 for x64-based Systems (KB976932).”

The update report can be found in %windir%\logs\cbs\checksur.log and there might be some clues in it about the issue, something like:

Seconds executed: 1043
Found 1 errors
CBS MUM Corrupt Total count: 1

Unavailable repair files:

Follow the instructions from "Advanced guidelines for diagnosing and fixing servicing corruption" in order to replace the corrupted files and then re-run the installation.

If you cannot find the log checksur.log, download and install Microsoft Update Readiness Tool and check again. Read more here.

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