Legacydn.exe
There are many times when I need to bring up a database from another organization in my lab quickly. The legacydn.exe tool is a quick and easy way to change the Exchange Organization Name, Admin Group Name, or change legacyExchangeDN values with a GUI. This will be a quick post on how this tool can be used to help you mount foreign databases in your lab.
You can download the legacydn.exe tool from Microsoft
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