Server 2016

Find out which Process or PID is using a particular port

Recently a customer’s phones had stopped receiving email while their email clients on the pc’s were still working fine.  Time to investigate what's going on! First some simple troubleshooting, can I get to the exchange server externally using either telnet on port 25 to the companies MX record (or external…
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Exchange Server 2007

Mapi session exceeded the maximum of 500 objects

I got a call the other day saying that a particular mailbox was having some strange problems, disconnecting etc, however I knew that this was particularly large (25Gb) and is also shared. Jumping into good old ‘eventvwr’ I saw and saw this error dotted about:  Error:  MSExchangeIS EventID 9646: Mapi…
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