I have the same problem.
I hope it will be solved quickly, I have 19 years of content that can’t be displayed properly.
I have this same problem but it seems the rewrite mod is enabled…
What exactly should be written in httpd.conf ?
I’m not sure how to get WordPress understanding well my aliases son I did something like this command in MySql :
UPDATE wpmu_1_posts SET guid = replace( post_content , ‘http://www.mywebsit.fr’, ‘http://mywebsit.fr’ ) ;
Same problem : my blogs used to work the same with www or not, and with a .com or a .fr (so I used : http://hyperbate.fr, http://www.hyperbate.fr, http://hyperbate.com and http://www.hyperbate.com. Now, only the main config works. Bad thing is that a lot of my images have the wrong domain in their URL.