How To Fix 5G390 - No screen checks are possible if a non-standard certificate is used

5G390 - Overview

• Message type: E = Error

• Message class: 5G - HR: Messages for Britain

• Message number: 390

• Message text: No screen checks are possible if a non-standard certificate is used

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 5G390 - No screen checks are possible if a non-standard certificate is used ?

  The SAP error message 5G390 indicates that the system is unable to perform screen checks because a non-standard certificate is being used. This typically occurs in the context of SAP's secure communication protocols, such as SSL/TLS, where certificates are used to establish secure connections.
  
  Cause:
  
  Non-Standard Certificate: The error arises when the system encounters a certificate that does not meet the expected standards or is not recognized as valid. This could be due to:
  The certificate being self-signed and not trusted by the SAP system.
  The certificate being issued by a Certificate Authority (CA) that is not included in the trusted root CA list of the SAP system.
  The certificate being expired or not yet valid.
  Incorrect configuration of the SSL settings in the SAP system.
  
  
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Certificate:
  
  Verify the validity of the certificate (check expiration dates, etc.).
  Ensure that the certificate is issued by a trusted CA.
  
  
  
  Import the