NPC/Mob Bug + Backup Guards Not Spawning

[LewisPotato]

***EDIT: I have learned that I have to add my own guards, but how do I make it so they despawn after some time and spawn when a player of the opposing faction come near the area it has been created?**

Hi,

I run a private server running Mists of Pandaria patch and I have noticed a few problems.

1. I was on a mount running through a alliance camp and a guard targeted me and I flew up a bit and the guard flew up to me and was attacking me on thin air, this happens to every mob that will attack you. Any fixes for this?

2. Backup guards for alliance and horde camps/cities do not spawn, I have walked into darkshire and all default guards attacked me but the backup guard that is supposed to spawn does not spawn, also NPC's do not call out for help, could this be the issue? Is there a fix for this too?

3. Guards and some NPC's do not patrol up and down the place they protect. Any fixes for this?
Thanks, hope I can get help.

- Lewis

[LewisPotato]

Anyone?!?!?!?