Remote validation not working on sub domain

Question

Remote method validation not working when url comes as subdomain while wrking on original url.

GET

 

http://usaw.solution.com/Account/IsUserNameExists?UserName=tcladmin&UserId=undefined 404 (Not Found)

 

while on this :

http://solution.com/Account/IsUserNameExists?UserName=tcladmin&UserId=undefined

 

It is working.