How To Fix SPN016 - No Service Principal Names found

SPN016 - Overview

• Message type: E = Error

• Message class: SPN - SPnego

• Message number: 016

• Message text: No Service Principal Names found

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 SPN016 - No Service Principal Names found ?

  The SAP error message SPN016 "No Service Principal Names found" typically occurs in the context of SAP systems that are integrated with Kerberos authentication. This error indicates that the system is unable to find the necessary Service Principal Names (SPNs) for the SAP service account in Active Directory (AD). SPNs are unique identifiers for services running on servers, and they are essential for Kerberos authentication to work correctly.
  Causes:
  
  Missing SPNs: The most common cause is that the required SPNs have not been registered in Active Directory for the SAP service account.
  Incorrect Configuration: The SAP system may not be correctly configured to use Kerberos authentication.
  Service Account Issues: The service account used by the SAP system may not have the necessary permissions or may not be set up correctly in AD.
  DNS Issues: Problems with DNS resolution can also lead to this error, as SPNs are often tied to specific hostnames.
  
  Solutions:
  
  
  Register SPNs:
  
  Use the setspn