> or a licence gets removed as part of

Or, as is more common in large enterprise licensing schemes - the vendor changes the terms and the customer never notices. And the .gov side of Microsoft licensing changes as often and as inscrutably as the commercial side of Microsoft licensing.

We've had more than a few discussions where conference calls with Microsoft end with the "oh, that used to be part of your license, but now it isn't" with the only solution being to bend over and open up the agency's wallet.