If the "File and Printer Sharing for Microsoft Networks" Service is not bound to the Network Interface being used for communication; the Computer Description will be greyed out.
Removing the Service from the Network Interface will remove the lanmanserver registry key and all subkeys and parameters attached to it.
Rebinding the Service to the Network Interface will restore the lanmanserver key and default parameters, but will not save any previously defined Computer Description. The field will not be initiated, it will be empty.
This can be verified by binding and then checking the Computer Description box, it will be editable. Then unbinding and checking the Computer Description box, it will be un-editable and greyed out.
There is no need to reboot before observing the Computer Description, it will be greyed and un-greyed as soon as the binding or un-binding process completes.. which takes a few seconds.
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To un-bind, right click My Network Places, select properties, right click the enabled Interface with blue screens, select properties.
From the "This connection uses the following items:" combo box choose "File and Printer Sharing for Microsoft Networks". Press "Uninstall".
Then verify the Computer Description is "greyed out".
Right Click "My Computer" select "Properties", then Computer Name tab.
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To bind, right click My Network Places, select properties, right click the enabled Interface with blue screens, select properties. Press "Install..." select "Service" then "Add"
Choose Manufacturer "Microsoft" and Network Service: "File and Printer Sharing for Microsoft Networks", press "OK"
Then verify the Computer Description is "not greyed out".
Right Click "My Computer" select "Properties", then Computer Name tab.
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Be careful not to use simple command line tools like
net config server /srvcomment:"comment"
This will disable "autotune" features installed as part of the binding process, as a side effect of setting the "one" parameter but none of the others.
- John W.
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