How To Fix SWFWSC110 - Error when logging on to handler server (HTTP Response Code 401)

SAP Error Message - Details

• Message type: E = Error

• Message class: SWFWSC - Web Service in the Workflow: Client Functions

• Message number: 110

• Message text: Error when logging on to handler server (HTTP Response Code 401)

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWFWSC110 - Error when logging on to handler server (HTTP Response Code 401) ?

  The SAP error message SWFWSC110 indicates that there is an issue with logging on to the handler server, specifically returning an HTTP Response Code 401, which means "Unauthorized." This error typically occurs when the credentials provided for authentication are incorrect or when the user does not have the necessary permissions to access the requested resource.
  Causes:
  
  Incorrect Credentials: The username or password used to log in to the handler server may be incorrect.
  User Authorization: The user may not have the necessary authorizations or roles assigned to access the handler server.
  Configuration Issues: There may be misconfigurations in the system settings, such as the handler server URL or authentication method.
  Expired Password: The user's password may have expired, requiring a reset.
  Network Issues: There could be network-related issues preventing proper communication with the handler server.
  
  Solutions:
  
  Verify Credentials: Ensure that the username and password being used are correct. If necessary, reset the password.
  Check User Authorizations: Review the user's roles and authorizations in the SAP system to ensure they have the necessary permissions to access the handler server.
  Review Configuration: Check the configuration settings for the handler server in the SAP system. Ensure that the URL and authentication methods are correctly set up.
  Password Reset: If the password has expired, reset it and try logging in again.
  Network Troubleshooting: Check for any network issues that may be affecting connectivity to the handler server. This may include firewall settings, proxy configurations, or DNS issues.
  Check Logs: Review the application logs for more detailed error messages that may provide additional context for the 401 error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to SWFWSC110 for any specific patches or updates that may address this issue.
  Documentation: Refer to the official SAP documentation for information on configuring the handler server and managing user authorizations.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the SWFWSC110 error effectively.