If we update OOB windows OS patterns,are these changes override during next version upgrade?

pavan garige
Tera Expert

Hi All,

 

As per customer requirement, we wanted to update the Windows OS-Servers pattern to populate system serial number from baseboard serial number for windows servers.

if we update this OOB Windows OS-Servers pattern, are these changes override during next ServiceNow version upgrade?
if override, what is the best way to update pattern?