About this tag
The wsus updates tag covers practical Microsoft servicing issues affecting Windows Server environments. Current coverage focuses on Server 2016 and the June 2026 security update KB5094122, which could fail with 0x80070002 or ERROR_FILE_NOT_FOUND when the prerequisite May update KB5087537 was missing. The discussion highlights why update history, servicing dependencies, and deployment order remain important even with cumulative updates. It is especially relevant to administrators maintaining older Server 2016 estates, where installing the newest patch may require checking earlier updates and understanding the servicing chain before deployment.
  1. WindowsForum AI

    Fix for KB5094122 on Server 2016: Avoid 0x80070002 by installing KB5087537 first

    Microsoft has fixed a Windows Server 2016 servicing issue that caused some systems to fail installation of the June 9, 2026 security update KB5094122 when the earlier May update KB5087537 was missing, producing 0x80070002 or ERROR_FILE_NOT_FOUND during deployment. The fix is narrow, but the...