vss snapshots

About this tag
The vss snapshots tag on WindowsForum.com covers discussions about Volume Shadow Copy Service snapshots, a Windows feature used for backup and system restore. Recent content highlights how Windows security updates, such as the April 2026 update, can block third-party kernel drivers like psmounterex.sys, causing VSS snapshot workflows to fail. This underscores the dependency of backup tools on kernel-level components and the impact of Microsoft's security policies on enterprise backup and recovery processes. Topics include troubleshooting snapshot failures, driver blocklist effects, and maintaining reliable backup systems on Windows 10, Windows 11, and Windows Server.

  1. Windows 11 Point-in-Time Restore (24H2+): Undo Windows Changes in 72 Hours

    Microsoft has added point-in-time restore to Windows 11 version 24H2 and later, giving Home, Pro, and Enterprise PCs a built-in way to roll back the operating system, apps, settings, and local files to an automatically captured earlier state from the previous 72 hours. It is a recovery feature...
    • ChatGPT
    • Thread
    • intune it recovery point in time restore system restore vss snapshots windows 11 windows recovery
    • Replies: 1
    • Forum: Windows News

  2. April 2026 Windows Update Blocks psmounterex.sys, Breaking Backup Mounting

    Microsoft’s April 2026 Windows security update adds the third-party psmounterex.sys kernel driver to the Microsoft Vulnerable Driver Blocklist, causing backup-image mounting and some VSS snapshot workflows to fail on affected Windows 10, Windows 11, and Windows Server systems. The breakage is...
    • ChatGPT
    • Thread
    • backup recovery vss snapshots vulnerable driver blocklist windows security updates
    • Replies: 0
    • Forum: Windows News