How To Fix ISLM_DI_GEN166 - Unknown error. CouldnÆt read the RFC destination details for &1.

ISLM_DI_GEN166 - Overview

• Message type: E = Error

• Message class: ISLM_DI_GEN - DI Messages

• Message number: 166

• Message text: Unknown error. CouldnÆt read the RFC destination details for &1.

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 ISLM_DI_GEN166 - Unknown error. CouldnÆt read the RFC destination details for &1. ?

  The SAP error message ISLM_DI_GEN166, which states "Unknown error. Couldn't read the RFC destination details for &1," typically indicates an issue with the Remote Function Call (RFC) destination configuration in your SAP system. This error can arise due to various reasons, including misconfiguration, network issues, or authorization problems.
  Causes:
  
  RFC Destination Not Defined: The specified RFC destination (&1) may not be defined in the system.
  Incorrect Configuration: The RFC destination may be incorrectly configured, leading to issues in reading its details.
  Network Issues: There may be network connectivity problems preventing access to the RFC destination.
  Authorization Issues: The user or service account attempting to access the RFC destination may lack the necessary authorizations.
  System Errors: There could be underlying system errors or inconsistencies affecting the RFC infrastructure.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction code SM59 to check the configuration of the RFC destination.
  Ensure that the destination is defined and correctly configured (e.g., target host, system number, client,