Article ID: 225089 - View products that this article applies to.
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When you attempt to compress or encrypt folders in Windows 2000, the Compress and Encrypt check boxes within the property sheet of the folder are selected and unavailable. Also, you may not be able to create files in the folder.
This behavior occurs because you may have compressed a folder in Windows NT 4.0 Service Pack 4 that contains files or folders encrypted in Windows 2000. This could have occurred after either:
To resolve this problem, obtain the latest service pack for Windows NT 4.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/152734/EN-US/ )How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows NT 4.0 Service Pack 5.
Compression of Windows 2000 NTFS volumes, folders, or files is not allowed on computers running Microsoft Windows NT 4.0 Service Pack 5.
When you compress the volume in Windows NT 4.0 Service Pack 4, no warnings or error messages are displayed during compression of the folders encrypted from within Windows 2000.
Article ID: 225089 - Last Review: October 20, 2013 - Revision: 2.2