How To Fix SH770 - Function not allowed from logon screen

SAP Error Message - Details

• Message type: E = Error

• Message class: SH - SAPhelp messages

• Message number: 770

• Message text: Function not allowed from logon screen

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 SH770 - Function not allowed from logon screen ?

  The SAP error message "SH770 Function not allowed" typically occurs when a user attempts to access a function or transaction that is not permitted due to authorization restrictions or system configuration. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to access the specific transaction or function.
  System Configuration: Certain functions may be disabled in the system configuration, either intentionally or due to a system error.
  User Role Assignment: The user might not be assigned to the correct role that includes access to the required functions.
  Transaction Code Restrictions: The transaction code being accessed may be restricted for certain user groups or profiles.
  
  Solutions:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to check for authorization failures. This will show you what authorizations are missing.
  Contact your SAP security administrator to review and adjust your user roles and authorizations as necessary.
  
  
  
  Review User Roles:
  
  Ensure that the user is assigned to the correct roles that include access to the required transactions. This can be checked using transaction code SU01 (User Maintenance).
  
  
  
  Transaction Code Access:
  
  Verify if the transaction code you are trying to access is allowed for your user group. This can be checked in the transaction PFCG (Role Maintenance).
  
  
  
  System Configuration:
  
  If you suspect that the function is disabled in the system configuration, consult with your SAP Basis or system administrator to review the system settings.
  
  
  
  Check for System Updates:
  
  Sometimes, system updates or patches can affect access to certain functions. Ensure that your system is up to date and check the release notes for any changes related to the functions you are trying to access.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the error message SH770. You can search for relevant notes in the SAP Support Portal.
  Documentation: Review SAP documentation for the specific module or function you are trying to access to understand any prerequisites or restrictions.
  User Training: Ensure that users are trained on the correct procedures and have the necessary knowledge to access the functions they need.
  
  If the issue persists after checking the above points, it may be necessary to escalate the issue to your SAP support team for further investigation.