Migration to Exchange 2013: Calendar Permissions get lost using Outlook 2007

1. What was before

User or administrators in the Exchange 2007/2010 world are providing access rights to their calendar, resources, etc. – i.e. ‘reviewer’ on a Room-Resource for user or AD groups.

2. Now you migrate all mailboxes to Exchange 2013

3. What happens?

Outlook 2007 clients will receive a permission error while opening shared calenders, resources, etc.

“An error occurred when setting schedule permissions”

4. Solution

You can follow this long-winded MS Solution: http://support.microsoft.com/kb/2836889/en-us

5. Or

Remove and Add all permissions again per Powershell:

 

 

Conclusion

Take care with your migration if your enterprise office standard is related  to Outlook 2007

 

 

 

 

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