Microsoft KB Archive/330119

= You Cannot Connect to Exchange Instant Messaging or Your Communications Service with MSN Messenger 5.0 =

Article ID: 330119

Article Last Modified on 8/28/2007

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APPLIES TO


 * Microsoft Windows Messenger 4.6
 * Microsoft Windows Messenger 4.5
 * Microsoft Windows Messenger 4.0
 * Microsoft Windows Messenger 4.7
 * MSN Messenger 5.0
 * MSN 8 Internet Service

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This article was previously published under Q330119



SYMPTOMS
You cannot use MSN Messenger 5.0 to connect and sign in to Microsoft Exchange 2000 Instant Messaging or the Communications service. You may experience this symptom after you install MSN Explorer version 8 on your computer.



CAUSE
This behavior occurs because MSN Messenger 5.0 does not support corporate instant messaging. MSN Messenger 5.0 is included with MSN Explorer 8, and it is also available as a separate download. You cannot use MSN Messenger 5.0 with Exchange Instant Messaging or the Communications service because it does not provide connectivity to corporate Exchange 2000 Instant Messaging or Session Initiation Protocol (SIP) servers.



RESOLUTION
If you require connectivity to Exchange 2000 Instant Messaging or your Communication services account, use one of the following methods:

Windows XP
Use Windows Messenger to connect to Exchange 2000 Instant Messaging or the Communications service. In Windows XP, you can run both Windows Messenger and MSN Messenger 5.0 at the same time if you are signed in by using different accounts. For example, you can sign in to Windows Messenger with your corporate instant messaging account, and then sign in to MSN Messenger 5.0 with your Microsoft .NET Passport.

Microsoft Windows 2000, Microsoft Windows NT, Microsoft Windows Millennium Edition, Microsoft Windows 98, Microsoft Windows 95
Remove MSN Explorer 8 and MSN Messenger 5.0 from your computer, and then contact your network administrator for more information about how to obtain and install the correct messenger client program for connectivity to your corporate network. To remove MSN Explorer 8 and MSN Messenger 5.0 from your computer:  Click Start, and then click Control Panel. Click Add or Remove Programs. Remove MSN Explorer 8:  In the list of currently installed programs, click MSN Internet Software, and then click Change/Remove. Click Yes when you are prompted to confirm the removal. Click OK.</li></ol> </li> Remove MSN Messenger 5.0: <ol style="list-style-type: lower-alpha;"> In the list of currently installed programs, click MSN Messenger 5.0, and then click Remove.</li> Click Yes when you are prompted to confirm the removal.</li></ol> </li> Quit the Add or Remove Programs tool.</li></ol>

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MORE INFORMATION
For more information about Exchange 2000 Instant Messaging, visit the following Microsoft &quot;Instant Messaging Service Frequently Asked Questions (FAQ)&quot; Web site:

http://technet.microsoft.com/en-us/exchange/bb330832.aspx

The instant messaging client for the Exchange 2000 Instant Messaging service is available for download. To do so, visit the following Microsoft Web site:

http://technet.microsoft.com/en-us/exchange/bb288473.aspx

Windows Messenger is included with Microsoft Windows XP and is installed when you install Windows XP. For additional information about how to use Windows Messenger, click the following article number to view the article in the Microsoft Knowledge Base:

307887 HOW TO: Use Windows Messenger Instant Messaging

For more information about how to download the latest version of Windows Messenger, visit the following Microsoft Web site:

http://messenger.microsoft.com

MSN Messenger 5.0 is included with MSN Explorer 8 and is also available as a separate download. It is installed on your computer when you install MSN Explorer 8 or when you run MSN Messenger 5.0 Setup. For more information about MSN Explorer 8, visit the following Microsoft Web site:

http://resourcecenter.msn.com/MSN8/preview_home.aspFor more information about MSN Messenger 5.0, visit the following Microsoft Web site:

http://messenger.msn.com

Keywords: kbprb KB330119

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