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Thank you for the reply.

No worries - but please don't snip out all quoted text in your replies. It
makes it nearly impossible for anyone else to follow the thread.

I am using Microsoft Office Outlook 2003 SP1, all of the client OSs
are either Win 2000 Pro SP4 or WinXP Pro SP2. All of the Office
suites are MS Office 97, 2000 and 2003. I need to install Outlook
2003 to each and every client computer through network(no problem
right?).

Well, sure there can be problems. I'm a little lost, as well, so to clarify:
did you already install Office/Outlook 2003 (as an upgrade) to all the
workstations, or are you having *problems* installing it?

User that is created by Windows Server 2003 requires
administrator status in order to start Outlook 2003, even other
programs like Word, Power Point and Excel cannot be opened.

How did you do your Office 2003 upgrade, or rather, how are you trying todo
it?

If you do an upgrade in place, it should remove all the older versions - and
with Office 2003, I have never noticed a user account requiring one-time
admin rights to configure the applications once they were installed,
although I have run into this with older versions (pre-Office XP, I think).

Hope for a reply. THank you!

I think you'd be best off posting this in a Windows or Office or networking
group, really. Your users shouldn't need admin rights to open the
applications. But you haven't really provided enough detail for me to know
how to narrow this down further....