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troubleshooting Question

What is the difference between a Windows key and a CAL?

Avatar of jamesbcox1980
jamesbcox1980 asked on
Windows XPWindows Server 2003SBS
4 Comments1 Solution863 ViewsLast Modified:
We have a windows small business network.  The computers came with Vista, but someone installed XP on them and attached them to CALs on our SBS server.  We purchased 15 CALs, but I can't find any invoices of someone purchasing any Win XP licenses.  Does a CAL mean that you're licensed, or do you still need a license key and you're just allowed to access the server?
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