How To Fix EM326 - Call does not come from own system

EM326 - Overview

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 326

• Message text: Call does not come from own system

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EM326 - Call does not come from own system ?

  The SAP error message EM326 ("Call does not come from own system") typically occurs in scenarios where a system is trying to execute a remote function call (RFC) or a similar operation, but the call is being rejected because it does not originate from an authorized or expected source. This is a security feature in SAP to prevent unauthorized access and ensure that only trusted systems can communicate with each other.
  Causes:
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly, leading to the system not recognizing the source of the call.
  Network Issues: There may be network issues or misconfigurations that prevent the system from identifying the source correctly.
  Authorization Issues: The user or system making the call may not have the necessary authorizations to perform the operation.
  System Trust Configuration: The trust relationship between the systems may not be established correctly, leading to the rejection of calls from external systems.
  SAP