Probe Exception: ‘System.Net.Sockets.SocketException (0x80004005): No connection could be made because the target machine actively refused it 127.0.0.1:587 on Exchange Servers

You get following events in the Managed Availability Logs on Exchange 2013/2016. Log Name: Microsoft-Exchange-ManagedAvailability/Monitoring Source: Microsoft-Exchange-ManagedAvailability Date:  Event ID: 4 Task Category: Monitoring Level: Error Keywords: User: SYSTEM Computer:  Description: The client submission probe failed 3 times over 15 minutes. No connection could be made because the target machine actively refused it 127.0.0.1:587 Probe…

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When clicking new message in Outlook Web Access, Nothing happens.

When clicking new message in Outlook Web Access 2010, Nothing happens. It suppose to open new Message window to compose, however it does not happen however in Light OWA Mode it works fine. Resolution:- It happens due to some contents in the Signature which is causing it so you can remove/modify the signature from OWA, save…

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