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This is your chance to be heard. Join us for an open feedback session focused on the current state of Windows Server 2025 and the roadmap for the next version of Windows Server (vNext). We’ll share a...
Pearl-Angeles
Updated May 15, 2026
Sarchasmo's avatar
Sarchasmo
Copper Contributor
May 13, 2026

Windows Server 2025 introduced N+4 upgrades, however failover clustering is still stuck at N+1.

 

Any plans to improve this?

Elden_Christensen's avatar
Elden_Christensen
Icon for Microsoft rankMicrosoft
May 13, 2026

Current plan is for mixed mode cluster support to stay at N-1.  There are significantly more technical complexities to have great version divergence in tightly coupled nodes in a cluster which are active and failing over across them.   -Thanks Elden