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421 4.3.2 System not accepting network messages

    Question

  • Our Exchange 2010 Edge is still getting this error message, and reject the message
    421 4.3.2 System not accepting network messages

    We have a few receive connector only one receive connector got this error.

    I try to review all the log Protocol; connectivity log  still no idea it just show this error

    I already change the MaxInboundConnection and MaxInboundConnectionPerSource to 5000 and 500 on the Receive Connector

    How can i overcome this issue. it make me a lot of trouble

     

    Thursday, September 22, 2011 7:09 AM

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