Microsoft has released a fix for the cluster service and virtual machine restart issues caused by July’s Windows Server 2019 security updates. The resolution is included in the August 2025 KB5063877 update, which addresses multiple bugs affecting Windows Server systems. #WindowsServer2019 #KB5062557 #KB5063877
Keypoints
- The July security update KB5062557 caused cluster and VM restart issues on Windows Server 2019.
- Microsoft acknowledged the bug and provided support guidance to affected organizations.
- The bug was fixed in the August 2025 cumulative update KB5063877.
- Proper update sequence involves installing the KB5005112 servicing stack update before KB5063877.
- Recent updates also addressed WSUS deployment issues and DHCP service freezes on Windows Server systems.