RETRIEVING YOUR EXCHANGE SERVER 2003 LICENSE KEY

Written by Sam McGeown on 21/2/2008 · Read in about 1 min (73 words)
Published under Microsoft

Recently I found the need to retrieve the key from an existing Exchange Server for a reinstall - the software is legally licensed but the key was somehow lost. A trawl through my registry revealed that the key is stored in an obscure place:

HKLM\SOFTWARE\Microsoft\Microsoft Integration\{GUID}\PID3.0

This was the case on a Windows Server 2000 install with Exchange Server 2003 installed, when I get the chance I will test this on Server 2003.

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