FIX: Server temporarily unavailable in Skype for Business

Tashreef Shareef
by Tashreef Shareef
Windows & Software Expert
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  • Skype is one of the most used instant messenger apps for both home and business users alike.
  • Many Skype for Business users reported Server temporarily unavailable error message.
  • Fixing this issue is easy, and you just need to remove the corrupted cache or manually configure Skype.
  • This article is just a part of our Skype hub. If you’re looking for more Skype guides, we suggest that you check it out.
the server is temporarily unavailable skype for business office 365

Skype for Business offers additional features over the standard Skype plan which is free. However, if you are coming back from a long vacation, you encounter “Server temporarily unavailable” error in Skype for Business.

Several Skyper for Business users reported to have encountered this error in the Microsoft community.

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I cannot login to Skype for Business from my desktop application.  I get this error: Server is temporarily unavailable.  Though, I can login from my mobile devices and from my desktop using the OWA version.  But, not the application. 

If you are also troubled by this error, here are a couple of troubleshooting tips fix the server is temporarily unavailable Skype for Business error.

What can I do to fix Server is temporarily unavailable Skype error?

1. Clear corrupted cache

Server is temporarily unavailable Skype error

  1. The cache can become corrupted if the application is not used for a long time. Try clearing the bad cache and check for any improvements.
  2. Close Skype for Business app from the taskbar.
  3. Press Windows Key + R to open Run.
  4. In the Run dialogue box, type %localappdata% and click OK.
  5. It will open the Windows File Explorer and navigate to the cache folder.
  6. Inside the folder, navigate to the following location:
    C:\Users\username\AppData\Local\Microsoft\Office\16.0
  7. Open the Skype for Business folder and delete sip_profilename folder.
  8. Open the Tracing and delete all the files inside the folder. Only delete the files inside, and not the folder itself.
  9. Close the File Explorer and launch Skype for Business.
  10. Try signing in and check if the Server temporarily unavailable error is fixed.

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2. Manually configure Skype for Business

Server is temporarily unavailable Skype error

  1. If the issue persists, try configuring Skype for Business manually. This should help you fix any configuration issues.
  2. Launch Skype for Business.
  3. Click on Options (gear icon) and select Personal.
  4. Go to Advanced > Manua Configuration.
  5. Enter the following details for the Internal and External server:
    Internal Server: sipdir.online.lync.com:443
    External Server: sipdir.online.lync.com:443
  6. After configuring Skype for Business, repeat steps 2 again to clear the cache and check for any improvements.

Check service status

  1. If the issue persists, try accessing the Skype for Busines from your smartphone.
  2. Open the web browser on your computer and try accessing Skype for Business web app.
  3. If the apps are not working, the issue is probably with the Skype service.
  4. You can check the Skype status to get updates about the service.

3. Update and reinstall Skype

Server is temporarily unavailable Skype error

  1. You can try to update Skype to the latest version to fix any bugs in the software.
  2. Open Skype for Business and check if any update is available.
  3. Download and install any pending updates.

Reinstall Skype

Server is temporarily unavailable Skype error

  1. If the issue persists, uninstall Skype for Business and reinstall it from the official website.
  2. Press Windows Key + R to open Run.
  3. Type control and click OK.
  4. Go to Programs > Programs and Features.
  5. Select Skype for business and click on Uninstall.
  6. Once uninstalled, go to Skype for Busines download page.
  7. Download the app and install.
  8. Launch Skype for Business and check if the error Server temporarily unavailable is resolved.

By following the steps in this article you can fix server issues with your Skype for Business app in Windows.

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FAQ: Learn more about Skype

  • Can’t sign in to Skype for business couldn’t find a Skype for Business Server?

This error can appear if there’s an issue with your server or DNS. If this issue persists, it might be best to contact your administrator.

  • How do I reinstall Skype?

To reinstall Skype, just go to Settings app > Apps, select Skype and click on the Uninstall button. After removing Skype, download it again and install it.

  • How do I connect to Skype?

To connect to Skype, you just need to start the Skype application and enter your Skype ID, or Microsoft email, and password.

  • Why do I need a Microsoft account to sign in to Skype?

Microsoft has acquired Skype, any Microsoft accounts can be used to sign in to Skype now. If you have a Skype username, you can still use it to log in instead of the Microsoft account.

Editor’s Note: This post was originally published in September 2019 and has been since revamped and updated in March 2020 for freshness, accuracy, and comprehensiveness.

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