Windows Installer Software Restriction Policies

Applies To: Windows Server 2008

Software restriction policies provide network administrators with a mechanism for identifying software programs running on computers in a domain, and controls the ability of those programs to execute. These policies can thus improve system integrity and manageability.


Event ID Source Message



The installation of %1 is not permitted by software restriction policy. The Windows Installer only allows installation of unrestricted items. The authorization level returned by software restriction policy was %2 (status return %3).



The installation of %1 is not permitted due to an error in software restriction policy processing. The object cannot be trusted.

Windows Installer

Windows Installer Service