DOCUMENT:Q184545  10-APR-1999  [exchange]
TITLE   :XADM: Error Using From: Field When Replying to Public Folder
PRODUCT :Microsoft Exchange
PROD/VER:WINDOWS:4.0,5.0,5.5
OPER/SYS:
KEYWORDS:

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The information in this article applies to:

 - Microsoft Exchange Server, versions 4.0, 5.0, 5.5 
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SYMPTOMS
========

When you reply to a message in a public folder using the From: field and enter
the address of the public folder, the following error message may appear:

   "The item could not be sent. You do not have the permission to send the
   message on behalf of the specified user."

CAUSE
=====

This occurs if the public folder is hidden from the global address list and you
type the address manually.

WORKAROUND
==========

To work around this problem, you can do one of the following:

 - Unhide the folder from the global address list.

 - Add the public folder to the personal address book.

 - Enter the Distinguished Name (DN) of the public folder.

   The Distinguished Name is an address that is unique in the entire
   organization. The following is an example of a DN:

   /o=EXCHNG_ORG/ou=EXCHNG_SITE/cn=Container1/cn=Container2/cn=Alias

To unhide a public folder from the global address list, follow these steps:

1. Select the public folder. On the File menu, select Properties.

2. Select the Advanced tab.

3. Clear the "Hide from address book" check box.

4. Click OK.

This process may take a short while to replicate around. At that point, you can
select the public folder address from the global address list or type the
address manually.

If you want to keep the public folder hidden, you can add it to the personal
address book (PAB) using the following steps:

1. In the client, select the public folder.

2. On the File menu, select Properties.

3. Depending on the rights on the folder, select either the Administration tab
   or the Summary tab.

4. Click the "Personal Address Book" button.

5. Add the folder to the From: line using the PAB.

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Keywords          :  
Technology        : kbExchangeSearch kbExchange500 kbExchange550 kbExchange400 kbZNotKeyword2
Version           : WINDOWS:4.0,5.0,5.5
Issue type        : kbprb

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