LR 11 & 11.50 –Critical Patch for Microsoft Certificate Security Update


LoadRunner Critical Patch Alert

Microsoft recently released a certificate security update(KB 2661254)that blocks RSA certificates that have keys that are less than 1024 bits long.

Because of this HP also had to release patches for LoadRunner 11 and 11.50 that handle this change.

What this Patch Includes

Replace certificates in order to comply with Microsoft security update from 8/14/2012.

How to get Path LR_03159 or LR_03160

To get the RSA certificate patch for LoadRunner, either request it from HP support, or download it from

  • LR 11.50 – LR_03159.exe
  • LR 11 – LR_03160.exe
  • What other Patches are available for LR 11.50?
    For an updated list of all patches available for LR 11.50 check out the Patches section in my article:

    LR 11.50 Support Matrix with Patch Updates

    Justin Huang - November 14, 2012

    Hi Joe,
    Thanks for the post, but I just came across with an issue.
    After I installed the patch “LR_03160.exe”, LoadRunner can visit and record secure websites. But during the recording, IE 8 (OS:XP 32) sometimes may quit unexpectedly, without any error messages prompted. The current versions of VuGen and LoadRunner are both 11.00. No previous patches got installed yet.
    Could you help to investigate this issue? Any advice is much appreciated!

      Joe Colantonio - November 14, 2012

      Justin Huang » Hi Justin – does setting this registry entry to zero help? I noticed that this resolved similar IE8 freeze/hang issues:

      HKLM\System\CurrentControlSet\Control\LSA\ImcompatibilityLevel=0 (default was 5)

    serena - October 23, 2015

    Thanks for the post

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