How To Fix T5307 - PROTOCOL: '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: T5 - SAPphone: Messages for telephony

• Message number: 307

• Message text: PROTOCOL: '&1'

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 T5307 - PROTOCOL: '&1' ?

  The SAP error message T5307 typically relates to issues with the communication protocol in the SAP system. The message format usually indicates that there is a problem with the specified protocol, which is represented by the placeholder &1.
  Cause:
  The error can occur due to several reasons, including:
  
  Incorrect Protocol Configuration: The protocol specified in the configuration might not be supported or incorrectly set up.
  Network Issues: There may be network connectivity problems that prevent the SAP system from communicating properly using the specified protocol.
  Missing or Incompatible Software: The required software or libraries for the specified protocol may not be installed or may be incompatible with the current SAP version.
  Authorization Issues: The user or system may not have the necessary permissions to use the specified protocol.
  
  Solution:
  To resolve the T5307 error, you can take the following steps:
  
  
  Check Protocol Configuration:
  
  Verify the configuration settings for the protocol in the SAP system. Ensure that the protocol specified is valid and correctly configured.
  
  
  
  Network Connectivity:
  
  Test the network connection to ensure that there are no issues preventing communication. You can use tools like ping or traceroute to diagnose network problems.
  
  
  
  Install Required Software:
  
  Ensure that all necessary software components and libraries for the specified protocol are installed and compatible with your SAP version.
  
  
  
  Review Authorizations:
  
  Check the user authorizations to ensure that the user or system has the necessary permissions to use the specified protocol.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may address this specific error message. SAP Notes often provide patches or additional troubleshooting steps.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and application logs (transaction SLG1) for more detailed error messages that may provide additional context for the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring communication protocols.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Administration: Ensure that your SAP Basis team is involved in troubleshooting, as they have the expertise in system configuration and network settings.
  
  By following these steps, you should be able to identify and resolve the cause of the T5307 error in your SAP system.