SendM4Message server socket invalid or closed
Sanjay Parbhoo
5-26-21
Operating system: Windows
Hi,

My customer had a clients get this message and disconnect at the exact same time, 11 a.m. The message was "SendM4Message server socket invalid or closed". What does this message mean?

/Sanjay Parbhoo [2021/05/26 16:55 PM]
------------------------------------------------------------------------
Leave Comment
You can subscribe to notifications for this post by selecting the 'star' icon on the top right corner of the post.
Latest Posts
Hi there, Server – tried both Windows Server 2022 and Linux Version - 2025-08-11 and 2026-05-25 We were testing a new version (2025-08-11) with a Halcust that we had migrated from the existing ...
10:11 4 Aug 2026
Kevin Stepper
Hi, years ago we used to have the email and conference module. Did not need it so we dropped it. We hav recently implemented global users, which are all named users and therefor seem to need a m...
18:07 3 Aug 2026