Subject Re: Running multiple FB versions on development computer
Author tomkrej
1st - Download 1.5.5 Installer, 2.1 Zip

2nd - Install 1.5.5

3rd - extract 2.1 to Firebird_2_1

4th - change 2.1 configuration (firebird.conf)
RemoteServiceName = fb_2_1
RemoteServicePort = 3055

5th - switch to 2.1 bin directory and run instsvc.exe
instsvc i -s -n fb_2_1

done (you can start the service)

Tom