Delivery is delayed to these recipients or groups:
Dear All
Have you any idea about this:
451 4.4.0 Primary target IP address responded with: '421 4.2.1 Unable to connect.” Attempted Failover to alternate host, but that did not succeed. Either there are no alternate hosts.
or delivery Failed to all alternate hosts
December 22nd, 2010 1:51pm
did you run
get-queue <queueID> | fl ?
and the last error may be what you have posted above. i have seen this happening when the target server is facing performance issue
and is not accepting messages due to backpreasure, other reason may be authentication settings on the recieve connector on the targer server
start by looking on the application logs on the target serverDhruv
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December 22nd, 2010 2:16pm