XCCC: Front-End Servers Establish Large Number of Connections to Themselves

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Article ID: 286822 - View products that this article applies to.
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SYMPTOMS

Front-end servers may start rapidly establishing Transmission Control Protocol (TCP) connections to themselves that are kept open indefinitely. After you stop all client connections to the front-end server, the connections still remain open.

CAUSE

This issue can occur if the information stores have been removed from a front-end server that also functions as an Simple Mail Transfer Protocol (SMTP) bridgehead server. Although it is recommended that you delete the information stores on front-end servers, if you have a front-end server that also functions as a SMTP bridgehead server, the information store process must be running so that the front-end server can generate delivery status notifications. The store generates delivery status notification code; therefore, on SMTP bridgehead servers, at least one private information store needs to be mounted and running. The root cause of open connections has not yet been determined. Some customers use front-end servers as SMTP bridgehead servers.

The Inetinfo.exe process may create those connections. Inetinfo may also consume all available resources by taking 100 percent of the central processing unit (CPU) time and leaving no available memory

STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server.

Properties

Article ID: 286822 - Last Review: October 23, 2013 - Revision: 1.4
APPLIES TO
  • Microsoft Exchange 2000 Server Standard Edition
Keywords: 
kbnosurvey kbarchive kbbug kbnofix KB286822

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