Web Dispacher, deactivate a particular node how to?

Hi,
Is there any property that can be set in the Web dispatcher profile or the message server, which can stop sending any request to a particular J2ee instance in the cluster?
The business requirement is that one server (node) in the cluster should not receive any HTTP(s) request from the client, so that this server can be dedicated to run some application intensive routines.
One way that I have figured out is that we can deactivate a particular node from the Web dispatcher ICM web console, but this is not persisted and the settings go away when the web dispatcher is re started. How can I make it persist?
Thanks.

Hi Sukanya,
Did you ever resolve this problem? We too want to deactivate a server from the Web dispatcher. We also need to connect directly to it as you require. When we used Gary's method of Config Tool --> Server_ID####### --> Debug --> Debuggable --> Restricted Load Balancing, we are also unable to connect to that node directly.
I have read through the Web dispatcher online Help. The mention creating groups but they all seem to pertain to ABAP groups using SMLG. Our Web dispatcher is used in a stictly J2EE environment.
There must must be a Profile setting or some config to restrict specified nodes... Let me know if you have found out?
Thank You,
Jon Sells

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