This policy controls the state of the application compatibility engine in the system. The engine is part of the loader and ...

Windows Server 2003

" This policy controls the state of the application compatibility engine in the system.

The engine is part of the loader and looks through a compatibility database every time an application is started on the system.  If a match for the application is found it provides either run-time solutions or compatibility fixes, or displays an Application Help message if the application has a know problem.

Turning off the application compatibility engine will boost system performance.  However, this will degrade the compatibility of many popular legacy applications, and will not block known incompatible applications from installing.  (For Instance: This may result in a blue screen if an old anti-virus application is installed.)

This option is useful to server administrators who require faster performance and are aware of the compatibility of the applications they are using.  It is particularly useful for a web server where applications may be launched several hundred times a second, and the performance of the loader is essential."

This permission is inherited from the parent object but does not control access to this object. It may control access to ... This physical disk is not cluster-capable and cannot be used by the cluster. Some physical disks are not cluster-capable ... This physical disk is not formatted with the NTFS file system and cannot be used in the cluster. If you want to use this ... This policy controls the percentage of disk space available to the Windows Installer baseline file cache. The Windows Installer ... This policy controls the state of the application compatibility engine in the system. The engine is part of the loader and ... This policy controls the state of the Program Compatibility Wizard. When enabled, this policy disables the start page of ... This policy controls the visibility of the Program Compatibility property page shell extension. This shell extension is visible ... This policy controls whether the print spooler will accept client connections. When the policy is unconfigured, the spooler ... This policy module cannot be configured from this computer. For information about enabling remote configuration, refer to ...