Hi,
I am working on my development machine and there is allready running on port
80 an apache to establish a testenvironment of trac,subversion etc.
It is an requirement to use IIS for the new asp.net/MGOS application, so I
decided to install IIS paralell working on port 81.
No I am not sure
The port the webserver is running on shouldn't be relevant to MapGuide.
Based on your description, that error is more likely because you have
another version of PHP installed on your development machine, and it is
being seen (php.ini, path to extensions, etc) in preference to the one
bundled with