Creating Distribution Groups in Outlook

[mike0680]

I'm trying to split the Internal email contact list (Global Address List) about 25 users into 5 departments. We're using SBS 2003 and I've used the Add Distribution Group wizard, but the new groups do not appear in the Outlook drop down list, only the domain and users.

Has anybody any clues what I'm missing out as I've followed Microsofts instructions?

Thanks,

Mike