Dear All,

I use a messaging connection between a client OWA on Windows Vista and a
server MS Exchange 2000. When I send from another client (Outlook 2003) an
invitation for a meeting and I want to reply to this invitation from the
client OWA with Windows Vista environment and I open the invitation, I
receive an error that the certificate is invalid or not recognize. In more,
when I want to reply to the invitation, the message cannot be sent and stand
to Draft directory. If I do the same with a Windows XP Professional PC with
my client OWA, it runs well. Why ?
P.S. : I tried to low the Windows Vista security and add the certificate
authority in the trusted site of my Internet Browser, the problem stays the
same.
Thanks for your support,
Job

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