Difference between revisions of "Exchange 2013"

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'''(This applies to all version of Exchange 2013 and newer)'''
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Exchange 2013 stopped receiving mail periodically (every 3 - 8 hours) with
 
Exchange 2013 stopped receiving mail periodically (every 3 - 8 hours) with
 
the telnet session reporting:  421 4.3.2.-service-not-available
 
the telnet session reporting:  421 4.3.2.-service-not-available

Latest revision as of 12:24, 18 September 2017

(This applies to all version of Exchange 2013 and newer)

Exchange 2013 stopped receiving mail periodically (every 3 - 8 hours) with the telnet session reporting: 421 4.3.2.-service-not-available

This is a known bug/behaviour in Exchange 2013. A Google search revealed:

  http://llamait.wordpress.com/2013/06/13/exchange-2013-421-4-3-2-service-not-available/
  http://social.technet.microsoft.com/Forums/exchange/en-US/606e823b-74ee-486c-b074-9d88c69904f5/421-432-service-not-available
  http://social.technet.microsoft.com/Forums/exchange/en-US/cd03793b-9e99-474e-8f25-11275652882f/exchange-2013-stops-receiving-external-email-after-about-8-hours

A workaround that may be found here:

  https://www.roaringpenguin.com/recipient-verification-exchange-2013