Enable display through Putty on Linux

Hi All,
I need am trying to enable the Xmanger windows through putty in my Linux box, I have tried different options but still I am not able to get the display through putty
Here is what I have done:
export DISPLAY=:0.0
[oracle@yblpvdakgrid ~]$ xhost +
Xlib: connection to ":0.0" refused by server
xhost:  unable to open display ":0.0"
AND
[oracle@yblpvdakgrid ~]$  export DISPLAY=10.0.x.x:0.0
[oracle@yblpvdakgrid ~]$ xhost +
xhost:  unable to open display "10.0.x.x:0.0"
Regards,

Hi,
Try undesrant what mean each steps.
Variable DISPLAY define where put output.
export DISPLAY=:0.0  - This mean that you try put output on local display of your server.
Correct:
export DISPLAY=<ip_ of_ workstation_Xmanager>:0.0
In this case X-session will use  own IP connections without encryption.
SSH can forward X-sessions inside ssh connections.
In this case you should not define variable DISPLAY. Check that profile script not redefined DISPLAY.
SSH server will do it automaticaly.  For check:
echo $DISPLAY
Regards.

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