Exchange 2010, Outlook user calender invites copied to delegates after they are removed

We are running Exchange 2010 on our domain and USER-A was set up with calendar delegates. When meeting requests were sent to USER-A, USER-B would receive the invitation also.

This was no longer required so USER-B was removed as a delegate through Power Shell

First I looked at what delegates were in place

Get-Mailbox -anr "USER-A" | Get-CalendarProcessing | select ResourceDelegates

This listed the USER-B

I then removed all with

Get-Mailbox -identity "USER-A" | Set-CalendarProcessing -ResourceDelegates $null

This completed and after re-running the first script again the USER-B had been removed.

Unfortunately this has not fixed the problem as the calendar invites are still being ghost copied to USER-B

I have seen a few posts around the net about this but none that fix this issue.

Any help is very much appreciated.

Cheers
BF
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Simon Butler (Sembee)Connect With a Mentor ConsultantCommented:
If you look in Outlook, do you see the delegate listed?
Have you looked in ADSIEDIT as well? The delegate can be listed there.

I wrote this ages ago about ghost delegates - while you are not getting the unknown bit, the method I have outlined should still work:

http://blog.sembee.co.uk/post/Account-Does-Not-Exist-Error-When-Appointment-Sent-to-Another-User.aspx

Simon.
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bigfooterAuthor Commented:
Thanks.

For some reason when I went to the Outlook client on the users desktop the Delegates were still there and could not be removed due to permissions.

I set up the account on my machine and found I could remove them... Odd.
I left one user that was required and then removed the others then the Powershell script correctly showed the one user whereas before it showed none.

I then waited half an hour and followed the steps in your link which was to add myself as a delegate manually and then tested then removed again.

Hoping the changes ripple across the forest so testing again later today.

Nonetheless looks good.

Thanks

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