How To Fix SMOIWS091 - RFC Logon data invalid (&1 &2 &3 &4)

SMOIWS091 - Overview

• Message type: E = Error

• Message class: SMOIWS -

• Message number: 091

• Message text: RFC Logon data invalid (&1 &2 &3 &4)

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.

SMOIWS091 - Details

• The SAP error message SMOIWS091 with the description "RFC Logon data invalid (&1 &2 &3 &4)" typically indicates that there is an issue with the Remote Function Call (RFC) logon credentials or configuration when trying to connect to an SAP system. This error can occur in various scenarios, such as when using RFC connections in background jobs, during data transfers, or when accessing remote systems.
  Causes:
  
  Invalid Credentials: The username or password used for the RFC connection is incorrect.
  User Lock: The user account may be locked or disabled in the target SAP system.
  Expired Password: The password for the user account may have expired and needs to be reset.
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity issues preventing the connection to the target system.
  Authorization Issues: The user may not have the necessary authorizations to perform the requested operation.
  
  Solutions:
  
  
  Check Credentials:
  
  Verify