The errors for SMTP mail alerts appear in the
vpxd.log file, located at:
- vCenter Server 5.x and earlier versions on Windows 2003 Server – %ALLUSERSPROFILE%\Application Data\VMware\VMware VirtualCenter\Logs\
- vCenter Server 5.x and earlier versions on Windows 2008 Server and up – C:\ProgramData\VMware\VMware VirtualCenter\Logs\
- vCenter Server 5.x Linux Virtual Appliance – /var/log/vmware/vpx/
- vCenter Server 6.x and higher versions on Windows server: C:\ProgramData\VMware\vCenterServer\Logs\<Service Name>
vCenter Server Appliance 6.x: /var/log/vmware/<Service Name> vCenter Server Appliance 7.0.x: /var/log/vmware/<Service Name>
The vpxd.log file contains entry similar to:
<YYY-MM-DD>T<time> [05596 error 'win32vpxdMail_win32' opID=task-internal-17210-c6506a65] [VpxdMail] Failed to send the mail to SMTP server 10.10.10.10 at port 25. Error=The transport failed to connect to the server.-->
</time>