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After checking on https://testconnectivity.microsoft.com/

i am getting the error

The server returned status code 451 - Error in processing. The server response was: 4.7.0 Temporary server error. Please try again later. PRX2

and I've tested everything and it seems to be okay including the DNS and everything. I am suspecting this may be due to the new virtual adapter created by Hyper-V since now all the data is routed through it.

But every setting on the Virtual adapter matches with one i had on my physical adapter.

What might i be missing here?

Mohit Mittal
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  • 1) Why don't you remove the virtual adapter installed by Hyper-V and check if the server works? 2) any detailed error in the Event Log? 3) Googling your error codes returned this, sounds promising although I don't have more details about your environment: http://blog.kloud.com.au/2013/11/22/exchange-2013-dns-settings-cause-transport-services-to-crash/ – Noor Khaldi Mar 31 '15 at 06:27

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