Microsoft KB Archive/312483

= Event ID 6001 messages are logged when you use Exchange 2000 Calendar Connector =

Article ID: 312483

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2000 Service Pack 1
 * Microsoft Exchange 2000 Server Service Pack 2
 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition
 * Microsoft Exchange Server 2000 Service Pack 3

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This article was previously published under Q312483



SYMPTOMS
Free/Busy information from a foreign system such as Lotus Notes or Novell GroupWise may not be available to users in Microsoft Exchange 2000 Server Service Pack 1 (SP1) or later. The foreign system client runs as you expect on the Exchange server.

One known root cause is the absence of the foreign system proxy address on the Exchange System mailbox. If absence of the proxy address on the system mailbox is the problem, you will observe normal functioning of the Exchange Calendar Connector when it is run in console mode. You will see no errors even if the mapical, calsync, notescal values are added to the Providers subkey of the following registry key:

If you increase the diagnostic logging level for Calendar Connector to Maximum, the following information events may be logged in the application event log: Event Type: Information

Event Source: MSExchangeCalCon

Event Category: General

Event ID: 6001

Description:

Unable to find Requestor in Directory

Event Type: Information

Event Source: MSExchangeCalCon

Event Category: General

Event ID: 6001

Description:

HrProcessNextTransaction Failed



CAUSE
This behavior occurs because the system mailbox in Exchange 2000 does not have a proxy address for the foreign system address type. For example, if you configure Calendar Connector with Lotus Notes, the system mailbox must have a Lotus Notes proxy address.



RESOLUTION
To resolve this behavior,use one of the following methods to add the appropriate proxy address to the MSExchange System Attendant.

Method One
The proxy address may be absent because of a behavior or conflict in your recipient policies. For example, for Lotus Notes, make sure that you click the Lotus Notes proxy address for a recipient policy that applies to system attendant mailbox objects. The default policy will apply to the system attendant.

Method Two
Warning If you use the ADSI Edit snap-in, the LDP utility, or any other LDAP version 3 client, and you incorrectly modify the attributes of Active Directory objects, you can cause serious problems. These problems may require you to reinstall Microsoft Windows 2000 Server, Microsoft Windows Server 2003, Microsoft Exchange 2000 Server, Microsoft Exchange Server 2003, or both Windows and Exchange. Microsoft cannot guarantee that problems that occur if you incorrectly modify Active Directory object attributes can be solved. Modify these attributes at your own risk.

Although Microsoft does not recommend this method, you can manually add the proxy address by using ADSI Edit, which is in Microsoft Windows 2000 Support Tools. Make sure you have a System State backup of your Active Directory before you try this procedure. After you start ADSI Edit you must connect to a domain controller, browse to the following location, and then click to expand the following object:

'CN=Microsoft System Attendant,CN= ,CN=Servers,CN= ,CN=Administrative Groups,CN= ,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC= ,DC=com'

Right-click System Attendant, click Properties, in the Select which Properties to View box the default is Optional, click to change this default setting to Both. In the Select a Property to view box, locate the proxyAddresses attribute, and then add the required proxy address (if the required proxy address is absent).

If you connect your Calendar Connector to Lotus Notes, the system attendant proxy address has the following format:

NOTES: Microsoft System Attendant/ / @

Note that the first proxy address (primary) must begin with capital letters. For example, the first Lotus Notes address must begin by using &quot;NOTES:&quot;, and any secondary proxy addresses begin by using lower case letters, such as &quot;notes:&quot;.



STATUS
This behavior is by design.

Additional query words: XFOR calendar connector exch2kp2w dc

Keywords: kbprb KB312483

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