Problem concerning nodes states after evidence entry

[hanafy]

Dear,
I have a problem, when I enter some new evidences and use the maximum propagate normal, some nodes give me %100 in both states (i.e. yes, no)! what does this indicate? why not 50/50 for example? Thanks

[Frank Jensen]

"max-propagation" is a special kind of propagation operation.  For each state x of a given node X, it determines the configuration of all nodes with X=x that has the highest probability.  Then these probabilities are normalized such that the highest value is 1 (or 100%).

If both states of a binary node are displayed with value 100, then we can conclude that the most probable configuration of all nodes (such that the node in the display is in the first state) has the same probability as the most probable configuration of all nodes (such that the node is in the second state).

If at most one node has a non-unique state with value 100, then we can find the most probable configuration of the nodes in the network by reading off the states with value 100 for all nodes.

[hanafy]

Thanks a lot for promptness in response