Microsoft confirmed that some instances of Windows Server 2019 and 2022 were unexpectedly upgraded to Windows Server 2025, particularly in environments using third-party update management.
The Windows Server 2025 feature update was marked as Optional. Microsoft stated, 'Feature update metadata must be interpreted as Optional and not Recommended by patch management tools.'
There are reports of surprise updates not just from managed environments; standalone servers also experienced unexpected upgrades, prompting frustrations over the update classification.
Even after addressing the issue and marking it as 'mitigated,' Microsoft has not provided rollback tools, leaving administrators to rely on backups or face additional licensing costs.
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