How To Fix PU170 - All DB buffers of application server &1 were synchronized

SAP Error Message - Details

• Message type: E = Error

• Message class: PU - Upgrade and Transport Log Messages

• Message number: 170

• Message text: All DB buffers of application server &1 were synchronized

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 PU170 - All DB buffers of application server &1 were synchronized ?

  The SAP error message PU170 indicates that all database buffers of a specific application server have been synchronized. This message is typically informational rather than an error, and it is related to the synchronization of database buffers in a distributed SAP environment.
  Cause:
  The message PU170 is triggered when the database buffers on an application server are synchronized with the database. This can happen during various operations, such as:
  
  When a database connection is established or re-established.
  When a database buffer is flushed or refreshed.
  During system maintenance or updates.
  
  Solution:
  Since PU170 is an informational message, there is generally no action required unless you are experiencing performance issues or other related problems. However, if you want to ensure that everything is functioning correctly, you can consider the following steps:
  
  
  Monitor Performance: Check the performance of the application server and the database. If you notice any performance degradation, investigate further.
  
  
  Check System Logs: Review the system logs (transaction SM21) for any related messages or errors that might indicate underlying issues.
  
  
  Database Configuration: Ensure that the database configuration is optimal for your workload. This includes checking buffer sizes, memory allocation, and other performance-related settings.
  
  
  SAP Notes: Look for any relevant SAP Notes that might address specific issues related to buffer synchronization or performance.
  
  
  Consult Documentation: Refer to SAP documentation for best practices regarding database buffer management and synchronization.
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SM50 (to monitor work processes) and ST02 (to check buffer statistics) to gather more information about the state of your application server and database buffers.
  SAP Basis Administration: Understanding the role of SAP Basis administrators in managing database connections and performance can be helpful.
  Performance Tuning: Regular performance tuning and monitoring can help prevent issues related to database buffer synchronization.
  
  In summary, the PU170 message is typically not a cause for concern, but it is essential to monitor your system's performance and ensure that everything is functioning as expected. If you encounter related issues, further investigation may be necessary.