Have you tried clearing their forms cache? Tools-Options-Other-Advanced-Forms?

--�
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
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reading.

After furious head scratching, Woodstock asked:

| I have a problem with an employee's Calendar in Outlook 2003. This is
| a very recent install with SP3. While in Calendar, I'm trying to
| create a meeting. I click on the Actions button then select New
| Meeting Request. The following error appears, "The form required to
| view this message cannot be displayed. Contact your administrator."
|
| There is also a second problem I am having. When accepting an email
| with a scheduled appointment or meeting, by either clicking calendar
| or accept, the subject line is empty. This employee is the only one
| having this problem.