Error on Event Server "CommunicationService.TransmitMessage Discarding message 'System.SystemConfigurationChangedIndication' as sending Indication and Command messages are not allowed."

MIP
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1

This error is observed from version 2023 R3 Corporate Server, when I tried to send a message like this in the Plugin in Management Client:

            var message = new VideoOS.Platform.Messaging.Message(VideoOS.Platform.Messaging.MessageId.Server.ConfigurationChangedIndication, item.FQID, ConfigDefinition.PluginId , "Update Custom Config");
 
            EnvironmentManager.Instance.PostMessage(message);
 
*ConfigDefinition.PluginId: Guid type
*Update Custom Config: Just a dummy message, in my actual code it is a more specific string.

I got the error output in Event Server MIP Log:

“CommunicationService.TransmitMessage Discarding message ‘System.SystemConfigurationChangedIndication’ as sending Indication and Command messages are not allowed.”

I wonder if I missed any specific setting on this server, the same message on 2022 R3 seems to return no error Log output

2

There is some security that blocks messages ending with ‘Command’, as you have defined your own message you could maybe change it if it ends with “command”.

For details on this please see the “Security setting” section of the “Introduction to MIP Message communication” -

https://doc.developer.milestonesys.com/html/index.html?base=gettingstarted/intro_mip_messaging.html&tree=tree_search.html?search=messagecommunication