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User can't change permissions on users own calendar

Author: Leif Pedersen MVP
Article ID:556057
Last Review:February 10, 2008
Revision:1.0

SUMMARY

User gets an error message when trying to change anything on the permissions tab of the users calendar folder from outlook 2007. The error message says that the permissions can't be saved.

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SYMPTOMS

At the same time an event is logged in the application log on the Exchange server:
 
Event Type: WarningEvent
Source: MSExchangeISEvent
Category: General
Event ID: 9775
Description:
The mailbox '/O=EXCHANGE/OU=FIRST ADMINISTRATIVE GROUP/CN=RECIPIENTS/CN=User' contains a folder 'Calendar' with a security descriptor that violates the canonical format.
Data:0000: 4d 6f 76 65 4d 61 69 6c MoveMail0008: 62 6f 78 box

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CAUSE

This is caused by a missing anonymous entry in the permissions list on the calendar folder and most often happens with mailboxes migrated from other mail systems.

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RESOLUTION

Use pfdavadmin to set the missing entry

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APPLIES TO
Microsoft Exchange Server 2007 Enterprise Edition
Microsoft Exchange Server 2003 Standard Edition
Microsoft Exchange Server 2007 Standard Edition
Microsoft Exchange Server 2003 Enterprise Edition

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Keywords: 
kbpubmvp kbpubtypecca kbhowto KB556057

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