Microsoft KB Archive/247895

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Article ID: 247895

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Server 4.0 Standard Edition

This article was previously published under Q247895


When the Microsoft Message Queue Server (MSMQ) initiates a transfer session, you may receive an error message stating that the number of client licenses has been exceeded, and the transfer session does not take place. This may occur on a computer running Microsoft Windows NT Server 4.0.


This behavior can occur when the Windows NT License Logging service is disabled on either the local MSMQ Queue Manager computer that sends the error message or the remote Queue Manager computer that receives it.

Establishing a message transfer session requires a Windows NT Server 4.0 client access license. When the internal license limit has been reached or when no Windows NT client access license is available, Queue Manager does not establish the session.


To resolve this behavior, enable the License Logging Service in the Services tool in Control Panel.


For additional information on how MSMQ uses licenses, click the article number below to view the article in the Microsoft Knowledge Base:

183666 INFO: CAL and Connection Usage by MSMQ

Additional query words: Message Queue Server

Keywords: kbprb KB247895