Windows Exchange Server tips and solutions

Test Exchange connectors

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Exchange Check Connectors

To quickly test the connectors and check the validity of the certificates, the following command can be issued.

If the status code is Success then we know that a connection exists and the certificates are valid.

write-host; hostname; date; write-host; Test-SmtpConnectivity | ft -a -wr | Out-String -Stream

Test Exchange connectors

If the result is not OK, then not only the internal but also the external blacklist should be checked.

Invoke-WebRequest “” -UseBasicParsing -UseDefaultCredentials | Select * -ExpandProperty Headers | ft -a -wr

Check blacklist

Exchange static mapping of a DC or GC