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Skype for business takes too long to start RRS feed

  • Question

  • Hello,

    I'm facing issues with skype for business. When the application is started it takes around 40 minutes before it can be used. The CPU usage is around 35% and it is not responding at all. After this time the CPU is lowered and it can be used without any issues.

    I've already tried to remove SIP folder, create a new profile, remove sip from registry, reinstall the application, update of all drivers, recreate azure AD account, but nothing helped. Web meetings are working fine.

    It seems the problem is user based as we have tried that on several machines and everywhere the behavior is the same.

    Do you have any advices where the problem could be?

    We are using Lync 2013 (15.0.5159.1000) MSO (15.0.5172.1000) 32-bit.

    Thank you.

    Best Regards

    Lukas

    Monday, October 7, 2019 11:23 AM

All replies

  • Hi Lukas,

    For this issue, I suggest you could run the following steps:

    1. Try performing a clean boot in Windows to check if it works. This will helps eliminate whether the issue is caused by software conflicts.

    2. Check the version of Skype for Business client you installed, please update the Skype for Business client to the latest version.

    3. Create the EnableDetectProxyForAllConnections registry value and set it to 1.

    Details about this you could also refer to the following official document: Skype for Business should use proxy server to sign in instead of trying direct connection.


    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, October 8, 2019 2:38 AM
    Moderator
  • Hi Sharon,

    Thank you for your advices.

    1. With clean boot there is no difference, the CPU usage is still the same.

    2. In the future we are planning to move to teams, so there won't be any new updates of skype in our company.

    3. I've created the DWORD under HKEY_CURRENT_USER\Software\Microsoft\UCCPlatform\Lync, restarted the computer but the problem is still the same :-/ Skype is frozen, I'm not able to click on anything and in task manager there is NO note that the application is not responding.

    As the same thing is happening on every computer for this user account I suppose the only option what we have left is to recreate AD account :-/

    Tuesday, October 8, 2019 7:23 AM
  • Hi Lukas,

    What is your environment, on-premises or online?

    What operations do you do before this issue appearing?

    You can create a new account and have a try.

    Besides, if your environment is on-premises, please check if there is any error message in Lync server Event.


    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.

    Friday, October 11, 2019 6:01 AM
    Moderator
  • Hi Sharon,

    It happens whenever I run the skype application. It can be directly after the computer starts or even after one hour when the computer is already running.

    We are using online environment.

    Thanks

    Br

    Lukas

    Monday, October 14, 2019 9:12 AM
  • Hi Lucas,
    You could  view the Event logs and check if there are any error message related to this problem.

    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.

    Thursday, October 17, 2019 7:35 AM
    Moderator