error connecting: timeout expired.In iis ?

Question

Hi All , 

 

I have issue in iis . after deployment . when too many users accessing at the same time, i am facing the follwing error. How to resolve this. I have searched through google. Everyone says connection not been closed properly.but i have closed the connection properly. so what would be cause this error. 

 

If someone pass through this error suggest me with suitable solution. 

 

error connecting: timeout expired. The timeout period elasped prior to obtaining a connection from the pool. 

 

 

Thanks 

 

Karthik.K