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emails stuck in queue exchange 2010

Greetings,

long story short, I have about 200 emails stuck in queue since yesterday afternoon. Yesterday evening I noticed and rebooted both exchange servers. After, emails starting flowing properly. However, about 200 are stuck in queue with error "451 4.4.0 primary target 554 no smtp service...". We relay through a smart host.

Any help getting these released is appreciated.

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Tony Giangreco

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king daddy

ASKER

thanks TG-TIS. I looked there and 'all IPv4' was selected. I did not change it yet since email is flowing properly now and I don't want to mess with email flow after yesterday's mess. That said, I do have a DAG set up so when I click the dropdown, I see my VMware adapter and the MS cluster adapter. I would think to choose the VMware adapter but I'm not what this would do to mail flow.

thanks again

Tony Giangreco

Yes, if your running VM, then that's the adaptor I would select.

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Simon Butler (Sembee)

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king daddy

ASKER

thanks Simon, I'll try that as well.

king daddy

ASKER

just wanted to day that I didn't get to this yet. I will do it this weekend when I am doing some other work. I will update this post accordingly.

Thanks

king daddy

ASKER

just posted this in case you're able to help

https://www.experts-exchange.com/questions/28398873/outlook-client-redirection-to-2nd-exchange-2010-server.html

king daddy

ASKER

I ended up restarting both servers. We had a good connection to the smart host since all email except the 200 in queue were moving correctly. Mail stayed in queue and then expired.