Question: how to know ehp version in sap?
Answer: Launch your SAP GUI, log into the SAP System for which the Support case has been raised.
Once logged in, choose system>status>magnifying glass.
Locate the SAP_APPL level. Write down and communicate to the Support team the information found.
Example, SAP_APPL 604.
Equates to, ECC 6.0 EHP4.