In this blog we will be discussing on some of the basics of mail flow troubleshooting which will help to get started with while troubleshooting transport related issues in both Exchange Server 2010 and 2013. Although there are many architectural changes in Exchange Server 2013, however some of the power shell commands are same with little different output.
In figure 1 the command was executed on Exchange Server 2010 box.
In figure 2 the command was executed on Exchange Server 2013 box which is almost same.
In both version a test email is sent to the user from a system mailbox as shown below.
In figure 3 if the user receives the test message then it proves that the internal transport components are working fine.
As a best practices it is also advisable to confirm SMTP connectivity. To do that we can just run the simple commands to get the health of the SMTP Protocol.
There is a vast difference in SmtpConnectivity as shown in Figure 4 and 5. All StatusCode must show as Success.
To know more on Exchange Server 2013 Mailflow. Please read the excellent article written by Richard Schwendiman in Exchange 2013 Mail Flow Demystified…Hopefully!