Update for Forefront TMG 2010 (KB 980674)

    VPN site-to-site connections may not work after enabling NLB.
    • Version:


      File Name:


      Date Published:


      File Size:

      1.9 MB

      KB Articles: KB980674

        In an array-based TMG 2010 deployment with Integrated NLB enabled, traffic may not reach its destination. The most visible example is IPSec/PPTP/L2TP VPN site-to-site with NLB enabled, where resources are inaccessible on either side of the tunnel as soon as Integrated NLB is enabled.

        Please note that this software update is a language-neutral release and may be installed on all languages of Forefront TMG 2010.
    • Supported Operating System

      Windows Server 2008 R2, Windows Server 2008 Service Pack 2

        • Forefront TMG 2010 RTM
      • Note: If you received from Microsoft Customer Support Services (CSS) a private update addressing this issue, please uninstall that update.

        1. Click the Download button on this page to start the download of a component.
        2. Save the download to your computer. Click Save and enter <path>\TMG-KB980674-GLB.msp
        3. Open an elevated command prompt
        4. Run the command:
        msiexec /p <path>\TMG-KB980674-GLB.msp /L*v inst-KB980674.log