Lync client update KB2910927 (and later) breaks embeded urls

LyncKB2910927bugI just discovered an issue when installing the December 9, 2014 cumulative update (CU) for Lync client 2013 (KB2910927)

When you try send an url with the prefix www you get the error message “the web page … was not loaded in response to you clicking the link because it is either invalid or restricted for security reasons” (picture on the right). This will appear even if have no URL policies restrictions.

– prepend http:// to the address you want to send, or
– uninstall KB2910927. The previous CU doesn’t have the issue.

Googling on the Internet I also found that a similar behaviour has already been reported and confirmed to Microsoft, and published as KB3053114 issue.

UPDATE: The latest Lync update (KB3039779) fixes the issue.


9 thoughts on “Lync client update KB2910927 (and later) breaks embeded urls

  1. Chris 25/03/2015 / 04:09

    I’ve also confirmed that this also occurs with the next 2 roll ups of KB2920744 and KB2956174.
    I’ve raised it with a ticket to MS and they do not have a solution.

    This also occurs with custom links out of Lync.

    However, it has not been added to the known issues on the MS website.

    • LuisR 26/03/2015 / 16:24

      I have been testing that and other issues with all updates. And it’s also broken on the Skype4Bussines client 🙂

      • Tim 17/04/2015 / 16:46

        Can confirm that it still occurs in the Gold release of S4B client

  2. Matt Evans 22/04/2015 / 04:07

    is there a fix for the Skype4B client yet?

    • LuisR 22/04/2015 / 12:35

      I don’t think so. I couldn’t install yet the latest release.

  3. Chris 29/10/2015 / 04:29

    We have been testing with Skype for Business and it is still an issue.
    We raised and had refunded a Microsoft support ticket as they still have no clue as to how to fix it. The supplied was uninstall those udpates or don’t use cusotm links within Skype for Business.

    • LuisR 30/10/2015 / 09:18

      Thanks for the feedback.
      It curious your issue, since so far with the KB3039779, we are able to send and click on the URL’s.

      • Chris 05/11/2015 / 23:14

        Hi Luis,
        I have just checked this and am unable to install the update, as it’s already installed, but not in the “installed update” list.

        It appears that there are still users around that are suffering from it and it’s still showing the exact same message.

  4. Chris Schott 23/06/2017 / 06:26

    After 2 years and a mammoth amount of effort I finally have a solution for On-Prem Skype for Business users with this issue.

    This is based on what we added to our Skype for Business server.

    First please upgrade the S4B clients to latest versions as per below KBs:

    For S4B 2015 client,-2017,-update-for-skype-for-business-2015-lync-2013-kb3141468
    Minimum version is 15.0.4903.1001

    for S4B 2016 client
    Minimum was 16.0.4498.1000

    Version prior to these 2 updates did not work.

    Then make the following changes on the SfB server side:

    // add the custom URL prefix for all client policies

    $a = New-CsClientPolicyEntry -Name CustomSafeUrlPrefixes -Value “CustomLinkAppThatStoppedWorking”
    Get-CsClientPolicy |Set-CsClientPolicy -PolicyEntry @{add=$a}

    // check status
    UpToDate = true

    PS C:\Users\username> Get-CsClientPolicy |fl identity, *entry*

    Identity : Global
    PolicyEntry : { Name=CustomSafeUrlPrefixes;Value=CustomLinkAppThatStoppedWorking}

    Then restarting the client pulled the new version of the Global policy. Some of the users just restarted PCs but the Tech guys just restarted SfB.

    What we have noticed however it’s ONLY for OnPrem SfB servers. If you are using SfB Online through O365 it still throws up an error message of “Cannot perform the action because the related webpage was not available from your Internet Browser. If you have not selected a default web browser, please specify one in the Control Panel. Other, if the problem continues, please contact your support team.”

    Hope this helps anyone who comes across this issue.

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