Dell chassis console Network connect error

Hi Guys,

 I am using Dell 1955 DELL Blade Chassis ,

Primary DRAC/MC Version

when i try to access DRAC console from my browser to open console, which use to work before, but since last few days its say's " Network Connect error"  i had checked with Dell support looks they do't have any idea why this error is coming.

 

I tried to ping digital KVM IP address and port number, which is working fine.

 Please help me why this is happening and how to fix this.

 

Thanks in Advance.

 

Sanjay