How To Fix ICM049 - Incorrect value for TLS use: "&1"

SAP Error Message - Details

• Message type: E = Error

• Message class: ICM - Messages for ICM Monitor

• Message number: 049

• Message text: Incorrect value for TLS use: "&1"

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ICM049 - Incorrect value for TLS use: "&1" ?

  The SAP error message ICM049 indicates that there is an incorrect value for the TLS (Transport Layer Security) setting in the Internet Communication Manager (ICM) configuration. This error typically arises when the system is trying to establish a secure connection, but the specified TLS version or setting is not valid or supported.
  Cause:
  
  Invalid TLS Version: The value specified for the TLS version is not recognized by the system. This could happen if the version is outdated or incorrectly formatted.
  Configuration Issues: The ICM settings in the SAP system may not be properly configured to support the desired TLS version.
  SAP Kernel Version: The version of the SAP kernel may not support the specified TLS version.
  Missing or Incorrect Parameters: The parameters related to TLS in the profile or configuration files may be missing or incorrectly set.
  
  Solution:
  
  
  Check TLS Configuration:
  
  Go to the SAP system profile parameters and check the settings related to TLS. The relevant parameters are usually prefixed with icm/SSL or icm/HTTP.
  Ensure that the value for the TLS version is correct. Common values include TLSv1.2, TLSv1.3, etc.
  
  
  
  Update SAP Kernel:
  
  Ensure that your SAP kernel is up to date. Newer versions of the kernel may support additional TLS versions.
  
  
  
  Modify Profile Parameters:
  
  If you find that the TLS version is set incorrectly, modify the profile parameters accordingly. You can do this using transaction RZ10 or by editing the instance profile directly.
  
  
  
  Check SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  
  Restart ICM:
  
  After making changes to the configuration, restart the ICM to apply the new settings. This can usually be done through transaction SMICM.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for guidance on configuring TLS settings in your specific version of SAP.
  
  
  
  Related Information:
  
  SAP Basis Documentation: Review the SAP Basis documentation for detailed information on configuring ICM and TLS settings.
  Security Guidelines: Follow SAP's security guidelines to ensure that your system is configured to use secure protocols.
  Community Forums: Check SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.