I managed to fix the permalinks issue. The help topic that saved me is posted at http://wordpress.org/support/topic/36214. In case it goes away, I’m posting it here, as a duplicate.
To get permalinks woking on my Win/ISS WP installation I created a php.ini and FTP’d it to my domian’s root. I placed the following inside the php.ini:
cgi.fix_pathinfo = 1
cgi.force_redirect = 0
In the WP permalink options I set up the following virtual site structure:
This may be helpful for those who cannot access the primary php.ini file in Windows or for those who don’t have direct access to ISS configuration settings.
Posted: 2005-06-23 16:37:34 #
Unfortunately, I confess I have no idea what exactly that does, but it worked.