You cannot delete READ-ONLY files hosted on a Unysis MCP server from a Microsoft client Operating Systems

Article ID: 979233 - View products that this article applies to.
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Source: Microsoft Support

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RAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION.

Symptom



When attempting to delete files on a Unysis MCP Server using Windows Explorer on a Windows XP or later based computer, It appears to the user that the file has been deleted, (e.g. the file disappears from the Explorer window, or from the command prompt, no error is returned) but in fact, the file has not been deleted.

Cause



The Windows redirector client receives an Access Denied error from the remote Unisys MCP Server because the file is a read-only file. This is the expected and the documented behavior for the SMB DELETE command when trying to delete a read-only file. However, the error is not passed back from the redirector to Explorer, but rather the redirector returns a success. Explorer acts as if the file has been deleted because the redirector indicated the task was successful. The file, however, has not been deleted.

 

Typically Explorer will check if the file is read-only, clear the read-only bit then attempt to delete it again, which would be successful in this scenario, or it would return an error. The functionality fails because the redirector never returns the Access Denied error.

Resolution



To resolve this issue you must manually remove the read-only bit and then delete the file. 

After the read-only bit has been removed, the file can be deleted as expected.

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Properties

Article ID: 979233 - Last Review: January 7, 2010 - Revision: 1.0
APPLIES TO
  • Microsoft Windows XP Professional
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Windows Vista Home Premium
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Ultimate
  • Windows Server 2008 Standard
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Ultimate
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