The Windows Software Licensing Management Tool is a script file found in the Windows\System32 folder as Slmgr.vbs. The script is designed for a local administrator to run in an elevated Command Prompt window. It might not be useful on a daily basis, but it can come in handy when you're trying to resolve activation problems or upgrade a Windows PC. The secret to using this tool is knowing how the command switches.
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If you just type the command, Slmgr.vbs, you get a series of five dialog boxes that list all the switches. Network administrators who manage a Key Management server for Volume Licensing will find a goldmine here.
For the rest of us, here are three switches that make using the tool a snap:
- Slmgr.vbs /dli Displays basic license information, including the last five characters of the product key.
- Slmgr.vbs /dlv Displays more detailed license information.
- Slmgr.vbs /cpky Removes the product key from the registry so that it can't be copied and reused.
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