ANST is an application that will help SAP customers to find SAP Notes in order to solve their problems easily.
You can check the related components and solution notes depending on your problem , you just need to reproduce the problem via ANST_SEARCH_TOOL to get all this informations..
Reference to Support Packages
Software Component Release Package name
SAP Basis component
As of Release 740 ANST is available for All support packages
To open the tool , just execute the transaction code ANST
For an example you are getting some dumbs while you are working with transaction code SM19 , then just fill the related areas like show below.
Also you can use the different kind of “Execution Data” areas such as “Program”.
F8 – Execute
Now you should “ReProduce” the problem to get needed information for ANST tool , after you finished just go back with BACK button.
You will see the “Components” which are belongs to your operation.
Select the related component/s which you want to get the OSS note/s and click the button “Note Search”
You will get the oss note information which relevants your process…