How To Fix 00810 - Server is presently not available (no logon permitted)

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 810

• Message text: Server is presently not available (no logon permitted)

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 00810 - Server is presently not available (no logon permitted) ?

  The SAP error message "00810 Server is presently not available (no logon permitted)" typically indicates that the SAP application server you are trying to connect to is currently unavailable for logon. This can happen for several reasons. Below are some common causes, potential solutions, and related information:
  Causes:
  
  Server Down: The SAP application server may be down for maintenance or due to a crash.
  Network Issues: There may be network connectivity issues preventing access to the server.
  Configuration Issues: The server may be misconfigured, preventing logon.
  License Issues: The server may have reached its maximum number of allowed connections or licenses.
  System Load: The server may be overloaded with requests, leading to temporary unavailability.
  Transport Layer Security (TLS) Issues: If there are issues with the TLS configuration, it may prevent logon.
  
  Solutions:
  
  Check Server Status: Verify if the server is up and running. You can do this by checking with your system administrator or using monitoring tools.
  Network Connectivity: Ensure that your network connection is stable and that you can reach the server. You can try pinging the server or using tools like tracert to diagnose network issues.
  Review Configuration: Check the SAP system configuration to ensure that it is set up correctly for logon. This may involve checking the instance profile or other configuration files.
  Check License and User Limits: Consult with your SAP Basis team to see if the server has reached its user limit or if there are any licensing issues.
  Monitor System Load: If the server is overloaded, you may need to wait for a while and try logging in again later. The Basis team can also help monitor and manage system load.
  Check for Maintenance: Confirm if there is any scheduled maintenance or downtime for the server that might be affecting availability.
  Review Logs: Check the SAP system logs (transaction SM21) for any error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues faced by other users and the solutions they found.
  SAP Basis Team: If you are unable to resolve the issue, it is advisable to contact your SAP Basis team or system administrator for further assistance.
  
  By following these steps, you should be able to diagnose and potentially resolve the "00810 Server is presently not available (no logon permitted)" error in SAP.