How To Fix SIG151 - Messages on password entry

SAP Error Message - Details

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 151

• Message text: Messages on password entry

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 SIG151 - Messages on password entry ?

  The SAP error message SIG151 typically occurs when there are issues related to password entry, particularly when a user attempts to log in to the SAP system. This error can arise due to various reasons, including:
  Causes of SIG151 Error
  
  
  Incorrect Password: The most common cause is entering an incorrect password. This could be due to typos or using an outdated password.
  
  
  Account Lock: If a user has entered the wrong password multiple times, their account may become locked as a security measure.
  
  
  Password Expiration: SAP systems often have password policies that require users to change their passwords after a certain period. If the password has expired, the user will not be able to log in.
  
  
  User Profile Issues: There may be issues with the user profile in the SAP system, such as missing authorizations or incorrect settings.
  
  
  System Configuration: Sometimes, system configuration settings related to password policies or authentication methods can lead to this error.
  
  
  Solutions to SIG151 Error
  
  
  Check Password: Ensure that you are entering the correct password. Pay attention to case sensitivity and any special characters.
  
  
  Unlock Account: If your account is locked, you may need to contact your SAP administrator to unlock it. They can reset your password or unlock your account.
  
  
  Reset Password: If your password has expired, you will need to reset it. This can usually be done through the SAP GUI or by contacting your system administrator.
  
  
  Review User Profile: Check with your SAP administrator to ensure that your user profile is correctly set up and that you have the necessary authorizations.
  
  
  Check System Settings: If you suspect that the issue may be related to system configuration, consult with your SAP Basis team to review the password policies and authentication settings.
  
  
  Related Information
  
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to the SIG151 error. SAP frequently releases updates that may address known issues.
  
  
  User Documentation: Refer to the SAP user documentation for guidelines on password policies and account management.
  
  
  Security Policies: Familiarize yourself with your organization’s security policies regarding password management, including complexity requirements and expiration policies.
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have experienced similar issues and what solutions they found effective.
  
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to your IT support or SAP Basis team for further investigation.