Solidworks 2011 license server has 0 free standard

I am experiencing a strange issue with a Solidworks 2011 install.

The application has been working stably for almost a year, clients are issued licenses properly and I've had no issues locally on my intranet network.

However we are in need of license borrowing because a teacher needs to work with this application from home.

Attached are some screenshots from my license server and a Windows 7 client. Both show the same information, that I have 300 total licenses, but standard is unable to be borrowed.

I've seen hints that the licenses might be in the wrong order? I find it strange that I don't see the standard license in the License Order tab.

Has anybody seen this before?

SolidworksAdministration