DisableRollback

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If this system policy is set to 1, the installer does not store rollback files during installation and disables installation rollback. By default, rollback is enabled. Administrators are advised to not use this policy unless it is absolutely essential. For more information, see Rollback Installation.

Registry Key

To disable rollback for per-user installations, set DisableRollback to 1 under the following registry key:

HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Installer

To disable rollback for per-computer installations, set DisableRollback to 1 under the following registry key.

HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Installer

Data Type

REG_DWORD