Hello,
The Tech ID Provided by Prachand above is for Symantec Endpoint Protection 12.0 and not Symantec Endpoint Protection 12.1
Here is the Right Document:
System Requirements for Symantec Endpoint Protection, Enterprise and Small Business Editions, and Network Access Control 12.1
and yes; this Article also states; Intel Itanium IA-64 and PowerPC processors are not supported.