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tkmluvFlag for United States of America

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Unable to open Shared Calendar in Outlook 2007 and Exchange 2010

We recently migrated Exchange from 2007 to 2010 and any users that were created after the migration, we are unable to open up their calendar. I have added myself to the Full Access Permission list and am still unable to open up their calendar.

The error we are getting is: "You do not have permission to view this calendar. Do you want to ask User Name to share his or her Calendar with you?"

If I add this users mailbox to my profile, I get the "Cannot expand this folder" error.

We are running Exchange 2010 SP1 (Build 281.15)
Outlook 2007 SP2 (12.0.6545.5004)
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endital1097
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I would start by running an EXBPA report to see if it detects a permission issue
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ASKER

It did come back with an issue of a permission inheritance block on the Exchange Domain Servers group. I fixed the error and re-ran the EXBPA Permissions scan and it was clean but I am still unable to access the calendar/mailbox.

I ran a Health Check and the only thing that I see that may be causing this issue is it is telling me that the MailBoxRole is partially configured. This server has been running for 3 months with no problems.

And for some reason the "First Administrative Group" is still showing up. (see attached)
Capture.GIF
Did you tried using the option "Open a Shared Calendar" link from the calendar folder\menu @ Outlook?

If needed follow the rest sequence of asking and granting permission with the other user (shared calendar)
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ASKER

Yea, we have done that. The thing is I have access to all mailboxes and we only have a problem accessing the calendars/inbox of users created after the Upgrade to 2010 that are having this problem.
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e_aravind
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After some searching brought on by the above comments, I found the solution myself.