Data type Range Default value

*.File-name-extension[;*. file-name-extension]



Lists types of files that cannot be used offline. The list stored in this entry overrides the system's default list of file types that are never cached for offline use.

This entry stores the setting of the Files not cached Group Policy. Group Policy adds this entry to the registry when you enable the Event logging level policy. If you disable the policy or set it to Not configured, Group Policy deletes the entry from the registry and the system uses the default list of non-cached file types.

By default, the system never caches files of the following types, as identified by their file name extension:

File type Filename extension
.SLM Microsoft Source Library Management file
.MDB Microsoft Access database file
.LDB Microsoft Access security file
.MDW Microsoft Access Workgroup file
.MDE Microsoft Access compiled module file
.PST Microsoft Outlook personal folder file
.DB? Generic database file

The list you create in this entry replaces the system's default list of non-cached files. Thus, to add a file to the default list, type a list that includes the default files and the type you are adding. To remove a file type from this list, type a list that includes all file types in the default list, except for the type you are removing.

The system maintains a list of non-cached files to protect files that cannot be separated, such as database components. Non-cached files are excluded from automatic and manual caching for offline use. The system does not cache files of the type specified even when they reside on a network share configured for automatic caching. Also, if users try to make a file of this type available offline, the operation will fail and the system displays the following message in the Synchronization Manager Progress dialog box:

Files of this type cannot be made available offline

Change method

To change the value of this entry, use Group Policy. This entry corresponds to the Files not cached policy (Computer Configuration\Administrative Templates\Network\Offline Files).

Activation method

To make changes to this entry effective, you must log off and log on again.

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This policy was documented incorrectly on the Explain tab in Group Policy for Windows 2000.

To make changes to this policy effective, you must log off and log on again.

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For detailed information about particular Group Policy settings, see the Group Policy Reference (Gp.chm) on the Windows 2000 Resource Kit companion CD.

For general information about Group Policy, see Group Policy in Windows 2000 Help.

To see a table associating policies with their corresponding registry entries, see the Group Policy Reference Table.