This issue can occur if the user's legacyExchangeDN attribute's delimiters in Active Directory are either stored in all uppercase letters or have partial uppercase letters. Examples of the delimiters in the legacyExchangeDN attribute appearing in uppercase are as follows:
All Uppercase Delimiters:
/O=ORG NAME/OU=SITE NAME/CN=RECIPIENTS/CN=AD USERS/CN=USERS/CN=USER NAME
Partial Uppercase Delimiters:
/O=ORG NAME/OU=SITE NAME/CN=RECIPIENTS/cn=AD USERS/cn=USERS/cn=USER NAME
To resolve this issue, use one of the following methods:
Contact Microsoft Product Support Services to obtain the Fbfix.zip file. This file contains the files that are necessary to resolve this issue programmatically. For additional information, see the Readme.txt file located in Fbfix.zip.
Use the Adsiedit tool that is included with the Microsoft Windows 2000 Support tools to change the legacyExchangeDN attribute.
WARNING: Using Adsiedit incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Adsiedit can be solved. Use Adsiedit at your own risk.
To use Adsiedit to change the legacyExchangeDN attribute:
ClickStart, point to Programs, point to Windows 2000 Support Tools, and then click ADSI Edit.
In ADSI Edit, locate the mailbox of the user who is experiencing this issue (the mailbox should be located under the domain tree), right-click the mailbox, and then click Properties.
Click the Attributes tab, and then click either Optional or Both to view the properties of the attribute.
In the Select a property to view list, click the legacyExchangeDN attribute.
Copy the entire entry in theValue box into the Edit Attribute box.
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