Yes. It happens every time. Next is part of log after I refresh Rainlendar.
00:42:50: [2:28:03.687] <calendername>: Downloading: icalx.com/private/<username/<calendername>
00:42:51: [2:28:04.328] <calendername>: Result: (0) 302 Moved temporarily.
00:42:51: [2:28:04.328] <calendername>: Downloading: icalx.comhttp://www.icalx.com/html/<username/day.php?cal=<calendername>
00:42:53: [2:28:06.578] <calendername>: Result: (6) 0 Unknown error.
It is strange how the URL address is ok at first time, when calendar is created. But everý time after that, the URL address is somehow mixed from two different address.
Other network calendars I have not yet tried. Version in use at the moment is 2.0 (b25).