Last June I wrote about the Magical Jelly Bean Keyfinder, a tool that can be used to find product keys for a few...
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Microsoft products -- namely, Windows itself, as well as Microsoft Office. This tool comes in handy if you need to reinstall the product or move it to another computer and can't remember (or find) the original license key.
Programmer Nir Sofer, who has authored many powerful Windows utilities, has written his own answer to the Keyfinder: a freeware tool named ProduKey.
When launched, ProduKey displays the names of all the products it can find keys for, the product ID number, the product key and even the computer it is installed in. Double-clicking on any entry brings up a detailed view that allows the information to be copied out to the Clipboard. The program can also save its output to an HTML, XML or delimited file and can read keys from all versions of Microsoft Office, Windows 2000 and higher and even installations of SQL Server.
ProduKey has several command-line options that make it more useful than Keyfinder. Here are five of them:
/remoteall: When ProduKey is launched with this switch, it enumerates every computer it can find on the local network via RPC (assuming RPC is allowed or enabled) and attempts to read product keys from each machine. Note: This may take some time, and you cannot run it unless you are logged in on an account with administrative privileges on each of the machines in question.
/remotefile < filename>: Reads product key information from all computers enumerated in a file. Security restrictions apply.
/regfile: Reads in product key information from another Windows installation's software Registry file, usually found in %windir%\System32\Config. This feature also only works in Windows 2000 or higher.
One final note: ProduKey retrieves both the product ID and the product key for several programs. The product ID (a number like 76487-OEM-0051161-83542) identifies a product to Microsoft for online support; the product key (the 25-character alphanumeric) is the actual registration code for the product. Don't confuse the two!
About the author: Serdar Yegulalp is editor of the Windows Insight, (formerly the Windows Power Users Newsletter), a blog site devoted to hints, tips, tricks and news for users and administrators of Windows NT, Windows 2000, Windows XP, Windows Server 2003 and Vista. He has more than 12 years of Windows experience under his belt, and contributes regularly to SearchWinComputing.com and SearchSQLServer.com.
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