The server is able to browse to and access anything in the share if you open it by Windows Explorer. If we copy the update files to the server itself and tell it to update from the folder they are in, it updates without a problem.
We have tried using different credentials to access the share during the update as well.
You will likely to see one of the following errors during Sophos automatic updates.
Sophos Endpoint Security and Control has failed to download updates.
If the configuration does not take newly entered credentials then uninstall Sophos and reboot the server.It returns an error saying that it could not contact the server. Error 1: Could not add a connection to server \servername\Sophos Update; user servername\Sophos Update Mgr; Windows error 487 Error 2: Could not connect to the server.Check that this computer is connected to the network and that Sophos Auto Update is configured to update from the correct location with the correct credentials and proxy details.It is installed and working perfectly on all of our computers and servers except for one.The endpoint that is having trouble is a small virtual server used to run Groupwise Messenger.