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Error message when a delegate user tries to schedule an Office Communications Server 2007 R2 conference on behalf of another user: "You do not have permissions to schedule meetings and conferences on behalf of the owner of this account"

Article ID: 977282 - View products that this article applies to.

SYMPTOMS

Consider the following scenario. A delegate user tries to schedule a Microsoft Office Communications Server (OCS) 2007 R2 conference on behalf of another user. The delegate user can already create or manage calendar items in the Microsoft Outlook calendar for the user. However, the delegate user receives the following error message:

You do not have permissions to schedule meetings and conferences on behalf of the owner of this account. Please get permissions to the owner's Outlook and then try again

Note In this scenario, the delegating user configures the EnableExchangeDelegateSyncUp registry entry according to the procedure in the “Resolution” section of Microsoft Knowledge Base (KB) article 971845.

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CAUSE

This problem occurs when the delegating user opens the Calendar Properties dialog box in Outlook, clicks the Permissions tab, and then changes the delegate user's permissions to something other than Editor or Author. In this scenario, the delegate user's permission that is assigned on the delegating user's Outlook calendar is not set to the default Editor permission or to the Author permission.

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RESOLUTION

To resolve this issue, set the delegate user's permission on the delegating user's calendar to Editor or to Author. To do this, the delegating user should use one of the following methods.

Method 1

On the Outlook Tools menu, click Options.
In the Options dialog box, click the Delegates tab.
Select the delegate user, and then click Remove.
Click Add to re-add the delegate user together with the default permissions.
Log off and then log on to Communicator 2007 R2 client.

Method 2

In Outlook, click Calendar.
On the File menu, point to Folder, and then click Properties for Calendar.
In the Calendar Properties dialog box, click the Permission tab.
Select the delegate user, and then select ONLY Editor or Author in the Permission Level list.
Log off and then log on to Communicator 2007 R2 client.

Note Before you apply the steps that are described in this section, verify that all the prerequisites that are described in KB article 971845 are met.

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MORE INFORMATION

The delegating user can use the Microsoft Exchange Server MAPI Editor tool (MfcMapi.exe) to determine whether the delegate user's permissions must be changed. To do this, follow these steps:

Download and install the MfcMapi.exe tool. To do this, visit the following Microsoft Web site:
http://www.microsoft.com/downloads/details.aspx?FamilyID=55FDFFD7-1878-4637-9808-1E21ABB3AE37
(http://www.microsoft.com/downloads/details.aspx?FamilyID=55FDFFD7-1878-4637-9808-1E21ABB3AE37)

Note The MfcMapi.exe tool may cause serious issues with a mailbox if it is not used correctly.
Start the MfcMapi.exe tool.
On the Session menu, click Login and Display Store Table, select the Outlook profile for the delegating user, and then click OK.
Double-click the delegating user's mailbox.
In the Mailbox - Delegating User Alias window, expand Root – Mailbox, and then expand Top of Information Store.

Note For cached mode profiles, IPM_SUBTREE is displayed instead of Top of Information Store.
Right-click Calendar, click Display ACL Table, and then click OK.
Locate the delegate user who has received the error message that is mentioned in the "Symptoms" section by looking for the e-mail alias in the PR_MEMBER_NAME column.
In the Member Rights column, the delegate user has the Editor permission if the value begins with "1147.” However, if the value begins with "1051," the delegate user has the Author permission.

Note After the delegating user finishes the steps in the "Resolution" section, the delegating user can follow these steps to verify the permission of the delegate user.

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