Error "otherWellKnownObjects" -> Delete CN=Microsoft Exchange if still running Ex2007?

Hi,

I tried to install Exchange 2013 as a second Exchange Server, first Exchange Server ist a Ex2007. While Setup, I got the "otherWellKnownObjects"-error. I found some posts and the solution could be delete the CN=Microsoft Exchange in ADSIEdit.

Before I proceed, I need to know if this container is used by Ex2007 so it would cause Ex2007 problems?

THANKS!

Daniel

If there's a chance to edit / clean the key in ADSIEdit, please tell me. If I try to, I got an error message like "No Editor registered for that data type"