Message type: E = Error
Message class: PU - Upgrade and Transport Log Messages
Message number: 753
Message text: Error in communication target of system &1
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.
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PU753
- Error in communication target of system &1 ?The SAP error message PU753, which states "Error in communication target of system &1," typically indicates a problem with the communication setup between the SAP system and a target system (like an external system or another SAP instance). This error can occur in various contexts, such as when trying to send data, execute remote function calls, or perform other inter-system communications. Causes: Network Issues: There may be network connectivity problems between the SAP system and the target system. Configuration Errors: The communication settings (RFC destinations, logical systems, etc.) may not be correctly configured. Authorization Issues: The user or system may not have the necessary authorizations to communicate with the target system. Target System Down: The target system may be down or not reachable. Incorrect Parameters: The parameters used for the communication (like user credentials, ports, etc.) may be incorrect. Firewall Restrictions: Firewalls or security settings may be blocking the communication. Solutions: Check Network Connectivity: Ensure that the network connection
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