How To Fix SIG161 - Internal error during password check (notify person responsible)

SAP Error Message - Details

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 161

• Message text: Internal error during password check (notify person responsible)

What causes this issue?

The system could not check the password for one of the following
reasons:
The external security product has not been installed correctly.
The SSF information about the user (information of the basis interface
Secure Store and Forward) has not been maintained correctly.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check and, if necessary, correct the security product installation.
Check and correct the SSF information about the user (see Customizing
for <LS>Batch Records</>, activity <DS:SIMG.PPPI_PD_255>Maintain SSF
Information About User</>).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIG161 - Internal error during password check (notify person responsible) ?

  The SAP error message SIG161, which states "Internal error during password check (notify person responsible)," typically indicates that there is an issue with the password validation process in the SAP system. This error can arise due to various reasons, including system configuration issues, database inconsistencies, or problems with user master records.
  Causes:
  
  Database Issues: Corruption or inconsistencies in the user master data in the database.
  Configuration Problems: Incorrect settings in the profile parameters related to password checks.
  User Master Record Issues: Problems with the specific user account, such as missing or corrupted data.
  Authorization Issues: Insufficient authorizations for the user trying to perform the password check.
  System Bugs: Potential bugs in the SAP system that may cause unexpected behavior during password validation.
  
  Solutions:
  
  
  Check User Master Record:
  
  Use transaction code SU01 to check the user master record for the affected user. Ensure that all necessary fields are filled correctly and that the user is not locked or expired.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  
  
  
  Profile Parameters:
  
  Review the profile parameters related to password checks. You can check parameters like login/password_expiration_time, login/password_hash_algorithm, etc., using transaction RZ10.
  
  
  
  Database Consistency Check:
  
  Run a consistency check on the user master data. You can use transaction SU10 to perform mass changes or checks on user accounts.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that might address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  
  System Restart:
  
  In some cases, a system restart may help resolve temporary issues related to memory or processes.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU01: User Maintenance
  SM21: System Log
  RZ10: Profile Maintenance
  SU10: Mass User Maintenance
  
  
  
  SAP Notes: Always check the SAP Support Portal for the latest notes related to this error, as they may provide specific fixes or workarounds.
  
  
  Documentation: Review SAP documentation related to user management and password policies for best practices.
  
  
  By following these steps, you should be able to diagnose and potentially resolve the SIG161 error in your SAP system.