WXDO7901E=WXDO7901E: The node has not been added because {0}={1} on the deployment manager node is incompatible with {0}={2} on the node.
Explanation
The node has a product installed which is either not on the deployment manager node, or is at a lower level on the deployment manager node.
User response
Install the same level of the product on the deployment manager node before attempting to add the managed node.