Organization Integration on Dynamics 365 crm

I have 2 org on my crm on-premises system, I want when case created in first org , case with same data create at second org , how can i achieve that?

I 've tried to do plugin triggered when created case connect to another org and create case like that,but this didn't work

I have working on similar tasks in the past and here is how I addressed such scenarios:

• I developed and hosted some kind of webservice - implementation here might be different. Here is one of the examples how it might be implemented - https://learn.microsoft.com/en-us/aspnet/web-api/overview/older-versions/build-restful-apis-with-aspnet-web-api
• inside that webservice when the payload that contains incident's information is received I connected to the "Destination" system using tools from SDK - https://learn.microsoft.com/en-us/power-apps/developer/data-platform/xrm-tooling/build-windows-client-applications-xrm-tools and created the incident and any related required information - in your case it will be a customer (contact or account)
• in the source system I developed a plugin to handle create and/or update of the incident, built the payload with the data I needed to send to the destination system and called the webservice I developed in previous steps