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Skype for Business Blog
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Re: Skype for Business Server Roadmap Update

Auri's avatar
Auri
Copper Contributor
May 19, 2025

Hi all,

After upgrading to Office 2024 LTSC, we have encountered significant freezing issues in Skype for Business Persistent Chat (on-prem deployment). We reverted to Office 2016 and 2021 versions, which function without any lag. Cache clearing, add-in removal, and client reinstalls were attempted, but did not resolve the issue with Office 2024.

This appears to be a compatibility issue. Has anyone else experienced this? Are there any workarounds or planned fixes?

Best regards, Aurimas

Published May 19, 2025
Version 1.0

1 Comment

  • Mathew986's avatar
    Mathew986
    Copper Contributor
    May 19, 2025

    We found that most Win 11 monthly updates would actually cause sign-in to fail completely and it just wouldn't attempt to contact the server/dns etc. Blue Skype spinny splash screen. Same deal, the usual troubleshooting and came up empty. Remove the security update and it came good, the next month it would break again.

    Reverted to 2021 LTSC and it seems stable. 

    Edit: this ended up being resolved in a windows update and 2024 works well.