Nodes may fail to synchronize automatically when two deployment environments exist in the same cell
If you have a running deployment environment and you use the Deployment Environment wizard to create another deployment environment in the same cell, the nodes may fail to synchronize automatically when you save the new deployment environment configuration in the administrative console.
In this case, you may see exceptions in the administrative console that indicate that the nodes cannot be synchronized because another node synchronization is already in progress. For example:
ADMS0204E: The system is unable to generate synchronization request for node: Node2. Another node synchronization operation might be in progress on the same node.
If this situation occurs, you can generally resolve the problem by manually synchronizing the nodes again.