How to Delegate Mailbox Access in Active Directory

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Article ID: 262399 - View products that this article applies to.
This article was previously published under Q262399
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SUMMARY

In Microsoft Exchange, by default, only the mailbox owner has permission to access his or her mailbox. As an administrator and for troubleshooting purposes, there are times when you need to access a user's mailbox. However, when you log on to the mailbox, you receive the following error message:
Unable to open your default email folder. You do not have permission to log on.

MORE INFORMATION

To make yourself a delegate of a user's mailbox, open the Active Directory Users and Computers snap-in, and then follow these steps:
  1. Right-click the organization domain name, point to View, and then click Advanced Features.
  2. Click the Users container (or the organizational unit where the user is located).
  3. Right-click the user account, and then select Properties.
  4. Click the Exchange Advanced tab.
  5. Click the Mailbox Rights button.
  6. In the Permission window, click the Add button to add yourself to the list of those whose are allowed to access this mailbox.
  7. In the next Permission window, click to select the Allow check box under Full Mailbox Access, and then click Apply to implement the changes.

Properties

Article ID: 262399 - Last Review: October 25, 2007 - Revision: 2.4
APPLIES TO
  • Microsoft Exchange 2000 Server Standard Edition
  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange Server 2003 Standard Edition
Keywords: 
kberrmsg kbhowto KB262399

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