This tread i quit old, but I just installed Byzanz and icon is missing for me.
Picture: http://bildr.no/view/547162
Its missing from panel to.
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu 8.04.3 LTS"
$ uname -r
2.6.24-26-generic
I've got the same problem with Ubuntu 9.10 alpha4.
Tracing the network with wireshark reveals that no packet is sent.
I assume that mapi is broken - both mapiprofile and openchangeclient core dumps:
Program received signal SIGABRT, Aborted.
0x75e844e5 in raise () from /lib/libc.so.6
(gdb)