ADMU0027E: An error occurred during federation ADMU0036E: The Deployment Manager cannot lookup by name host

 

Issue:

ADMU0001I: Begin federation of node newNode1 with Deployment Manager at
           DeploymentMgr:8879.
ADMU0009I: Successfully connected to Deployment Manager Server: DeploymentMgr:8879
ADMU0505I: Servers found in configuration:
ADMU0506I: Server name: newServer1
ADMU2010I: Stopping all server processes for node newNode1
ADMU0512I: Server newServer1 cannot be reached. It appears to be stopped.
ADMU0024I: Deleting the old backup directory.
ADMU0015I: Backing up the original cell repository.
ADMU0012I: Creating Node Agent configuration for node: newNode1

ADMU0027E: An error occurred during federation ADMU0036E: The Deployment
           Manager cannot lookup by name host newHost1 at address
           10.230.21.184; rolling back to original configuration.
ADMU0211I: Error details may be seen in the file:
           /…/profile/logs/addNode.log
ADMU0026I: An error occurred during federation; rolling back to original
           configuration.
ADMU0111E: Program exiting with error:

Solution:

make sure newHost1 and the host of deploymentManager can be reached each other

or check both /etc/hosts to make sure have both hostName.