Message type: E = Error
Message class: 00 -
Message number: 454
Message text: Communication system error: getlu failed. Is LU correct?
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00454
- Communication system error: getlu failed. Is LU correct? ?The SAP error message "00454 Communication system error: getlu failed" typically indicates a problem with the communication layer between the SAP system and the underlying network or the application server. The "getlu" part of the message refers to the "Logical Unit" (LU), which is a concept used in SAP's communication protocols, particularly in environments using SAP's own communication methods like RFC (Remote Function Call) or when connecting to external systems. Causes: Network Issues: There may be network connectivity problems between the SAP application server and the database or other systems. Configuration Errors: Incorrect configuration settings in the SAP system or in the network settings can lead to this error. Resource Limitations: The system may be running out of resources, such as memory or connections, which can prevent it from establishing a communication link. SAP Kernel Issues: There may be bugs or issues in the SAP kernel or the communication libraries being used. Firewall or Security Settings:
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