Error message when you try to add a delegate in Outlook 2003: "The Delegates settings were not saved correctly" (KB946208)
How to delete corrupted and hidden rules from a single mailbox in Outlook 2003 (KB924297)
You experience issues in Outlook when you try to configure free/busy information or when you try to delegate information (KB958443)
Error message when you try to add a delegate in Outlook 2007: "The Delegates settings were not saved correctly" (KB950794)
You cannot add delegates in Outlook by using Exchange 2010
Outlook delegate feature in mixed versions of Microsoft Outlook and Entourage
Delegate is unable to see private items if permissions are granted to distribution group or security group
MS Exchange Blog - Listing Which Exchange Users Have or Are Delegates
Teknologist - List Delegates in Exchange 2007
Exchange Geek's Weblog - Using MFCMAPI to delete delegate rules from mailbox
Messaging 4 Life - Deleting Old Delegates using MFCMAPI
windows-experts - Steps to clean Stale delegates in outlook using MFCMAPI
Exchange Server TechCenter > Exchange Server Forums > General Discussions > The list of delegates in the shell differ from the list in Outlook
Exchange Server TechCenter > Exchange Server 2010 Forums > Exchange Server 2010 > Microsoft Outlook 2010 The delegates settings were not saved correctly. Cannot activate Send-on-behalf-of list. You do not have sufficient permission to perform this operation on this object.