Here is how it can be done within a few minutes
http://jtbworld.blogspot.com/2007/03/upgrade-autodesk-network-license.html
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Jimmy Bergmark
JTB World - Software development and consulting
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"ssample" wrote in message news:5726374@discussion.autodesk.com...
> We have the license file, however I need to know the correct steps to
> perform this upgrade as we cannot be down due to this upgrade for more
> than an hour.
>
> Please let me know the best method for upgrading.
>
> Thanks.