Skype for Business Server 2015
SKYPE-FOR-BUSINESS-SERVER-2015Microsoft · Release · Skype for Business Server
Unsupported since · 391 days ago
Skype for Business Server 2015 reached end of support on (391 days ago).
- Released
- 11y 3mo ago
- End of software maintenance
- 6y 1mo ago
- End of security support
- 1y 1mo ago
- End of support
- 1y 1mo ago
Lifecycle Milestones
| Released | 11y 3mo ago | |
|---|---|---|
| End of software maintenance | 6y 1mo ago | |
| End of security vulnerability support | 1y 1mo ago | |
| Last date of support | 1y 1mo ago |
Is Skype for Business Server 2015 still maintained?
No. Microsoft no longer maintains Skype for Business Server 2015; support ended on 2025-10-14. It receives no fixes of any kind, including security patches. Plan an upgrade to a maintained release. See Microsoft's lifecycle bulletin.
When do security fixes for Skype for Business Server 2015 stop?
Microsoft stopped security fixes for Skype for Business Server 2015 on 2025-10-14. A system on this release cannot be patched against vulnerabilities disclosed after that date without upgrading.
What should I upgrade Skype for Business Server 2015 to?
Upgrade to a currently maintained Microsoft release. Check Microsoft's release notes for the recommended version.
Skype for Business Server 2015 Release Lifecycle
Skype for Business Server 2015 is a release line of Microsoft Skype for Business Server. Microsoft ships bug fixes until the end of active support and security fixes until the end of security support; after that, systems still running it must move to a supported release to stay patchable. The dates below are the published milestones for this release line. This release has reached end of life as of , meaning Microsoft no longer provides bug fixes or security updates for it. Installations still running Skype for Business Server 2015 should move to a supported release.