Mac 1 syncs fine with WebDAV server, Mac 2 does not?

DEVONthink Tips
2

Maybe it’s the same problem that is discussed here (in german).

Could it be that the Mac 1 is running DevonThink 2.5.x and Mac 2 2.6.x? WebDAV seems to be broken in 2.6 and 2.6.1.