OK. Looks like none of the zimlets are working, admin and client.
Found this in the log:
2007-05-15 08:53:36,622 INFO [http-7071-Processor50] [mid=2;ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=a
dmin@auspicecorp.com;] zimlet - cannot find zimlet com_zimbra_search
2007-05-15 08:53:36,622 INFO [http-7071-Processor50] [mid=2;ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=a
dmin@auspicecorp.com;] zimlet - cannot find zimlet com_zimbra_phone
2007-05-15 08:53:36,622 INFO [http-7071-Processor50] [mid=2;ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=a
dmin@auspicecorp.com;] zimlet - cannot find zimlet com_zimbra_date
2007-05-15 08:53:36,622 INFO [http-7071-Processor50] [mid=2;ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=a
dmin@auspicecorp.com;] zimlet - cannot find zimlet com_zimbra_email
2007-05-15 08:53:36,622 INFO [http-7071-Processor50] [mid=2;ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=a
dmin@auspicecorp.com;] zimlet - cannot find zimlet com_zimbra_url
2007-05-15 08:53:36,692 INFO [http-7071-Processor50] [ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=admin@a
uspicecorp.com;] zimlet - cannot find zimlet com_zimbra_backuprestore
2007-05-15 08:53:36,692 INFO [http-7071-Processor50] [ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=admin@a
uspicecorp.com;] zimlet - cannot find zimlet com_zimbra_cluster
2007-05-15 08:53:36,692 INFO [http-7071-Processor50] [ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=admin@a
uspicecorp.com;] zimlet - cannot find zimlet com_zimbra_convertd
2007-05-15 08:53:36,692 INFO [http-7071-Processor50] [ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=admin@a
uspicecorp.com;] zimlet - cannot find zimlet com_zimbra_domainadmin
2007-05-15 08:53:36,692 INFO [http-7071-Processor50] [ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=admin@a
uspicecorp.com;] zimlet - cannot find zimlet com_zimbra_hsm
2007-05-15 08:53:36,692 INFO [http-7071-Processor50] [ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=admin@a
uspicecorp.com;] zimlet - cannot find zimlet com_zimbra_license
2007-05-15 08:53:36,692 INFO [http-7071-Processor50] [ua=ZimbraWebClient - FF2.0 (Win)/undefined;ip=172.16.15.209;name=admin@a
uspicecorp.com;] zimlet - cannot find zimlet com_zimbra_mobilesync