Error 80244007 when WSUS client scans for updates

Applies to: Windows Server Update Services 3.0 Service Pack 2Windows Server Update Services for Windows Server 2012



You use Microsoft Windows Server Update Services (WSUS) to deploy software updates to computers that are in your organization. When a WSUS client computer scans for updates on the WSUS server, the following error message is logged in the WindowsUpdate.log file on the client computer:

Additionally, the following exception is logged in the SoftwareDistribution.log file on the WSUS server:


This issue occurs when the number of updates to be synchronized exceeds the maximum number of installed prerequisites that a WSUS client can pass to SyncUpdates.


To fix the issue, follow these steps on the WSUS server:

  1. Open an elevated Command Prompt window, and then go to the following location:

    %programfiles%\Update Services\WebServices\ClientWebService

  2. Type the following commands, and press Enter after each command:

    takeown /f web.config
    icacls web.config /grant administrator:(F)
    notepad.exe web.config

  3. Locate the following line in web.config:

    <add key="maxInstalledPrerequisites" value="400"/>

  4. Change the value from 400 to 800.

  5. Save the web.config file.

  6. Run IISReset.