Article ID: 282217 - View products that this article applies to.
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If a Microsoft Exchange Server 5.5 recipient object contains a comma (,), equal sign (=), or plus (+) in the directory name, the Active Directory Connector (ADC) may disable the mail object in Active Directory.
This problem can occur if the Exchange 2000 ADC Local.map file has been updated to include one or both of the following mappings: "Mailbox to user" or "Custom Recipient to Contact":
local#remote-address$person$top#contact$organizationalperson$person$top#cn#description###0#In addition, the Exchange Server 5.5 recipient object has a comma (,), equal sign (=), or plus (+) in the directory name (on the Advanced tab in the Exchange Server 5.5 mailbox).
Those objects that have a comma (,), equal sign (=), or plus (+) in the directory name (LastName, FirstName) in Exchange Server 5.5 are replicated to the ADC as mail-disabled in the Active Directory. The legacyExchangeDN attribute on the Active Directory object reads ADCMailDisabledbyADC. The same problem applies to "Custom Recipient to contact" mappings in the Local.map file.
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
301378The English version of this fix should have the following file attributes or later:
(https://support.microsoft.com/kb/301378/EN-US/ )XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
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Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 1.