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Sophos NAC Advanced: The Sophos NAC Agent will not initiate a signature file update for Sophos Anti-Virus 7.0.6 on Windows Vista.

This issue has been fixed with Sophos NAC Advanced 3.0.4.

The Sophos NAC Agent will not initiate a signature file update for Sophos Anti-Virus 7.0.6 on Windows Vista. The NAC Agent will report that an endpoint is non-compliant because of an outdated signature file; however, the NAC Agent will not automatically update the signature file. The user can manually update the Sophos Anti-Virus signature file by right-clicking the Sophos Anti-Virus icon in the system tray and then selecting Update now. The NAC Agent will automatically update the signature file on all other supported operating systems.

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