451 4.7.0 Temporary Server Error
451 4.7.0 KB ID 0001823 Problem If you attempt to connect to and send mail via command line to your Exchange Server, you may see the following error after you end the data section of the operation. 451 4.7.0 Temporary server error. Please try again later. PRX5 Solution 451 4.7.1 Error Log into Exchange Amin Center > Mail Flow > Receive Connectors > Default Frontend {Server-Name} > Edit > Scope > Select the IPV4 entry...
Exchange Stopped Working?
KB ID 0001749 Problem I see various posts in online forums, and the process is held up because a lot of techs can’t do basic troubleshooting on their Exchange deployments. So I thought I’d put together some basic ‘first steps’ for you to do when your ‘Exchange Stopped Working’ This way you can at least get an error code to search for or a better idea of what’s going on. Exchange Stopped...
SBS – No Incoming Mail ‘421 4.3.2 Service not available’
KB ID 0000803 Problem While testing mail flow on a new SBS 2011 Server, outbound mail worked fine, but no mail would flow in. When I attempted to Telnet in from a remote host this was what I saw; 421 4.3.2 Service not available Connection to host lost. Solution Normally I’d expect to see an error like this if the Exchange ‘Receive Connector’ was misconfigured, (if you’re not using SBS 2011 create a new default...
Exchange – Error ‘A matching connector cannot be found to route the external recipient’
KB ID 0000723 Problem You will see this error in one of two scenarios, firstly it’s a new Exchange Installation and you have yet to create a send connector, or your send connector(s) do not cover the DNS name of the recipient the message giving you the error was destined for. Identity: DC2012Unreachable412316860424 Subject: inter domain Internet Message ID: <afea4f1a2aa14c2788d872070ae6a5dd@DC2012.PNL.com> From...
Mail Routing Issue ‘451 5.7.3 Cannot achieve Exchange Server authentication’
KB ID 0000791 Problem While putting in a New Exchange 2010 server today, I test moved a mailbox to this new site, and could not get mail to flow to the Exchange 2010 server at the clients main site. 451 4.4.0 Primary target IP address responded with: “451 5.7.3 Cannot achieve Exchange Server authentication.” Attempted failover to alternate host , but that did not succeed. Either there are no alternative hosts, or delivery...