How To Fix XS857 - No delivery to &1 as logon data invalid

XS857 - Overview

• Message type: E = Error

• Message class: XS - SAPconnect: All messages

• Message number: 857

• Message text: No delivery to &1 as logon data invalid

What causes this issue?

The message was processed successfully in the SAP system. The mail
server that is to receive the message for further processing demands
authentication and registers that the required data is invalid.
Information from external system (if available)
&V2&
&V4&&V3&

How to fix this error?

Check the security settings on the SAPconnect node.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

XS857 - Details

• The SAP error message XS857 "No delivery to &1 as logon data invalid" typically indicates that there is an issue with the logon credentials or authentication details used for a specific service or system. This error can occur in various contexts, such as when trying to access a service, perform a data transfer, or connect to a remote system.
  
  Cause:
  
  Invalid Credentials: The username or password provided for the logon is incorrect.
  Expired Password: The password for the user account may have expired and needs to be reset.
  User Lockout: The user account may be locked due to multiple failed login attempts.
  
  Configuration Issues: There may be misconfigurations in the system settings or service configurations that prevent successful authentication.
  Network Issues: Connectivity problems between the systems can also lead to authentication failures.
  
  
  Solution:
  
  Verify Credentials: Check the username and password being used. Ensure they are correct and that there are no typos.
  Reset Password: If the password has expired,