I have a server with Windows Server 2008 Standard x64 Edition installed. This has been installed and running for several months and I have been able to successfully install previous Windows Updates. I have two pending updates that fail to install.

  • (KB967723) Security update for Windows Server 2008 x64 Edition

  • (KB976098) Update for Windows Server 2008 x64 Edition

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Fails with Error code: 80070490

Followed this off Microsoft support site, which basically says to repair Windows with the install DVD. When I get to the step to select upgrade I get the following error.

Upgrade has been disabled. The upgrade cannot be started. To upgrade, cancel the installation and then choose to upgrade to a version of windows that is more recent then the version you are currently running.

So basically feel like I've hit a dead end with out doing a complete reinstall. Any ideas ?

2 Answers 2


I happened to be researching this same error code this morning, and came across this MSDN blog post that might help: How to overcome error 0x80070490 when installing updates in Windows Vista/Server 2008

I was not able to get it working again by following his step-by-step, but the following did:

  1. Open %windir%\logs\cbs\cbs.log. You'll likely need to run Notepad as Administrator in order to view it.
  2. Go to the bottom of the log and do a find for "Error", making sure you choose up for the direction
  3. This should bring you to one or more errors like the following:

    2008-09-27 15:53:29, Error
    CBS Failed to resolve Package: Package_for_KB905866~31bf3856ad364e35~x86~~ hr: 0x80070490

  4. Do a web search for the KB number of the update that failed (KB905866 in this case), which should bring you to a Microsoft page where you can download the stand-alone installer for this issue's patch

  5. Download and install the appropriate version (32-bit, 64-bit, etc.)
  6. The next time you run Windows Update, it will recognize that the update was installed.
  • Thanks berberich, there were two "Failed to resolve child of Package" errors, manually installed the updates, and all is good !
    – Mark
    Commented Jan 12, 2010 at 13:01
  • Same here-All fixed :)
    – dimitri.p
    Commented May 3, 2010 at 23:13

You can also run the System Update Readiness Tool which fixed error 80070490 for me on my Dell Server.

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