Sophos Anti-Virus could not scan the selected item when scanning mapped drives

  • Article ID: 118673
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  • 2 customers rated this article 1.0 out of 6
  • Updated: 09 May 2014
Issue

Unable to scan a mapped drive from a Windows Vista/7/2008/2008R2 computer. The following error is shown run attempting a right-click scan on a mapped drive:

Sophos Anti-Virus could not scan the selected item. Check if the drive is ready or if you have sufficient rights to access the selected item.

When setting up a new scan in Sophos Endpoint Security and Control the mapped drives show a red cross over their drive icon.

First seen in

Sophos Anti-Virus for Windows 2000+

Operating systems
Windows 2008
Windows 2008 R2
Windows 7
Windows Vista

Cause

The Windows User Access Control (UAC) evaluation gives an incorrect level of authentication for Sophos's on-demand scanner to access the network/mapped drives. The scanner is unable to read from the mapped drive and so fails. 

This issue is currently being investigated by development.

What To Do

There are three possible workarounds to avoid this problem:
  1. Install anti-virus software on the file server that hosts the mapped drives and perform the scans from there.
  2. Use a Windows XP, Linux or Mac workstation to scan the mapped drives
  3. Disable UAC on a workstation that is to run the scans on the mapped drives.

 
If you need more information or guidance, then please contact technical support.

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