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silverlight is not installed RRS feed

Answers

  • Hi to all
    Hi to all
    After I did the steps from Sharon Zao and I restarted 3 times the server, it didn't work at all.
    Addionally,  I decided to reactivate Windows server
    slmgr /rearm
    Restarted again the server and checked it once more time in the Skype for Business Administration Console  it worked quite well
    This issues is finally fixed
    Thank you all

    <sub></sub><sup></sup><strike></strike>

    <sub></sub><sup></sup><strike></strike>


    Warm regards MeVs



    • Marked as answer by MeVs Thursday, November 21, 2019 8:32 PM
    • Unmarked as answer by MeVs Thursday, November 21, 2019 8:33 PM
    • Marked as answer by MeVs Thursday, November 21, 2019 8:33 PM
    • Edited by MeVs Friday, November 22, 2019 6:13 AM
    Thursday, November 21, 2019 8:32 PM
  • Here I will provide a brief summary of this post. This will make answer searching in the forum easier.

     

    <Issue Symptom>:

    When user open the Skype for Business Server 2015 Control Panel on Windows server 2012, it prompt the error message:

    Microsoft Silverlight is not installed or is blocked by security settings.

     

    <Cause>:

    It is related to the Windows OS.

     

    <Solution>:

    Reactive windows server: slmgr/rearm.

    Restart the server and it works no problem.

     

    <Reference Links>:

    https://support.microsoft.com/en-sg/help/2608523/how-to-clean-a-corrupted-silverlight-installation-and-then-reinstall-s

    https://support.microsoft.com/en-us/help/2939344/access-denied-when-you-use-some-silverlight-applications-in-internet-e


    Best Regards,
    Sharon Zhao


    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.

    • Marked as answer by MeVs Tuesday, December 10, 2019 3:59 PM
    Tuesday, December 10, 2019 9:39 AM
    Moderator

All replies

  • Hi MeVs,

    About the error message in Skype for Business Control Panel, you could try to Enable the “Run ActiveX controls and plug-ins” in Internet Explorer options as the following image:

    In my research, you can fix the Silverlight installation problem as the following steps:

    1.Click Start and type Notepad in the Search box

    2.Double-click on Notepad from the list of results above

    3.Copy and then paste the following text into Notepad

    reg delete HKLM\Software\Microsoft\Silverlight /f

    reg delete HKEY_CLASSES_ROOT\Installer\Products\D7314F9862C648A4DB8BE2A5B47BE100 /f

    reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\D7314F9862C648A4DB8BE2A5B47BE100 /f

    reg delete HKEY_CLASSES_ROOT\TypeLib\{283C8576-0726-4DBC-9609-3F855162009A} /f

    reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\install.exe /f

    reg delete HKEY_CLASSES_ROOT\AgControl.AgControl /f

    reg delete HKEY_CLASSES_ROOT\AgControl.AgControl.5.1 /f

    reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{89F4137D-6C26-4A84-BDB8-2E5A4BB71E00} /f

    rmdir /s /q "%ProgramFiles%\Microsoft Silverlight"

    rmdir /s /q "%ProgramFiles(x86)%\Microsoft Silverlight"

      

    4.Click File and Save As and type CleanSilverlight.cmd

    5.In the Save as type box, click All Files (*.*)

    6.In the Save in box, click Desktop, and then click Save

    7.On the File menu, click Exit

    8.Right-click the CleanSilverlight.cmd file on your desktop and click Run as administrator

    9.When the uninstall completes, right-click the CleanSilverlight.cmd file on your desktop and click Run as administrator a second time

    10.Once the uninstall has completed, click the link below to install the latest version of Microsoft Silverlight

    http://www.microsoft.com/getsilverlight/get-started/install/default.aspx

    11.Delete the CleanSilverlight.cmd file from your desktop.

    For more details, please refer to: https://support.microsoft.com/en-sg/help/2608523/how-to-clean-a-corrupted-silverlight-installation-and-then-reinstall-s

    Best Regards,
    Sharon Zhao


    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.



    Tuesday, November 12, 2019 5:57 AM
    Moderator
  • Hi

    When I do this step:

    http://www.microsoft.com/getsilverlight/get-started/install/default.aspx

    It takes too long and did not finish at all.

    any advice?

    


    Warm regards MeVs

    Thursday, November 14, 2019 7:34 PM
  • after I made above steps I only get this windows screen:


    Warm regards MeVs

    Friday, November 15, 2019 9:47 PM
  • and still continuous in 100%

    Warm regards MeVs

    Friday, November 15, 2019 9:48 PM

  • Warm regards MeVs

    Friday, November 15, 2019 10:06 PM
  • Hi MeVs,

    After you finishing the steps, do you reboot your server?


    Best Regards,
    Sharon Zhao


    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.

    Tuesday, November 19, 2019 6:11 AM
    Moderator
  • 3 times "YES"

    Warm regards MeVs

    Tuesday, November 19, 2019 5:40 PM
  • Hi to all
    Hi to all
    After I did the steps from Sharon Zao and I restarted 3 times the server, it didn't work at all.
    Addionally,  I decided to reactivate Windows server
    slmgr /rearm
    Restarted again the server and checked it once more time in the Skype for Business Administration Console  it worked quite well
    This issues is finally fixed
    Thank you all

    <sub></sub><sup></sup><strike></strike>

    <sub></sub><sup></sup><strike></strike>


    Warm regards MeVs



    • Marked as answer by MeVs Thursday, November 21, 2019 8:32 PM
    • Unmarked as answer by MeVs Thursday, November 21, 2019 8:33 PM
    • Marked as answer by MeVs Thursday, November 21, 2019 8:33 PM
    • Edited by MeVs Friday, November 22, 2019 6:13 AM
    Thursday, November 21, 2019 8:32 PM
  • Here I will provide a brief summary of this post. This will make answer searching in the forum easier.

     

    <Issue Symptom>:

    When user open the Skype for Business Server 2015 Control Panel on Windows server 2012, it prompt the error message:

    Microsoft Silverlight is not installed or is blocked by security settings.

     

    <Cause>:

    It is related to the Windows OS.

     

    <Solution>:

    Reactive windows server: slmgr/rearm.

    Restart the server and it works no problem.

     

    <Reference Links>:

    https://support.microsoft.com/en-sg/help/2608523/how-to-clean-a-corrupted-silverlight-installation-and-then-reinstall-s

    https://support.microsoft.com/en-us/help/2939344/access-denied-when-you-use-some-silverlight-applications-in-internet-e


    Best Regards,
    Sharon Zhao


    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.

    • Marked as answer by MeVs Tuesday, December 10, 2019 3:59 PM
    Tuesday, December 10, 2019 9:39 AM
    Moderator
  • Great! Sharon Zhao and thank you a lot.

    Warm regards MeVs

    Tuesday, December 10, 2019 3:59 PM