Adding one of the sql server 2012 database in HA mode

Hi Everyone,

I have got requirement to add one of the database in HA mode.The existing database is a standalone db and no WSFC is configured for that.

In my prod db, Always on mode is not enabled.we don't have any new env for that but can use existing HA environment.

But I have few environments where WSFC is configured (three node cluster) and availability groups is configured as well.

Just want to understand if I take backup of sql server 2012 db and restore into sql server 2014 and configure HA mode.Is it possible?

If not,is there any way to do it?

Please advice.

Regards,

Manisha K