I was working with one of our partner who want to migrate 30+ sites from an existing IIS6 server, to a new IIS6 server. We had an old tool IIS6 Migration Tool which would come handy, but this would be requiring 30 steps to migrate 30 websites one by one. Here comes the new tool which was specifically targeted for IIS6 to IIS7 migration, but it should help people doing a migration from a old IIS6 to a new IIS6.
This is often a question that has been asked a lot of times, and I couldn’t find an article which outlines the steps to be followed to enable a custom ISAPI extension in IIS7 (and above). You really don’t need to do anything other than the steps below: