Alternatively, after performing the delete, go into EM, design table and set the Identity Seed of the primary key to something else (eg 2) and click on Save. Then set...

Just in case ...

Casting my mind back to the SP3 install, where the first exe you run just unzips files (and doesn't actually do the install).

Look for a setup.bat or...

Agree with previous post. Also presume you want to write a different message to the log if the main transaction fails? Perhaps it would be better to have one log...