Apache
Ensure that you have server administration privileges. If you do not have these privileges, ask your server administrator to update these MIME type extensions.
Change directories to <apache_root>/httpd/conf.
Edit the file srm.conf.
Add the following lines to the end of the file, or to where the other AddType video/* entries are found:
AddType video/x-ms-asf asf asx
AddType audio/x-ms-wma wma
AddType audio/x-ms-wax wax
AddType video/x-ms-wmv wmv
AddType video/x-ms-wvx wvx
AddType video/x-ms-wm wm
AddType video/x-ms-wmx wmx
AddType application/x-ms-wmz wmz
AddType application/x-ms-wmd wmd
If you add these to the end of the file, make sure that the file ends with a blank line.
Save changes and quit the editor.
Restart the Web server
http://msdn.microsoft.com/library/de.../html/mime.asp