Check whether your broker name is alike.
To identify the correct broker name, you can use the following steps to verify:
Try to check from the IS Admin and MWS whether the broker name resembles same.
You can also verify the broker name by executing the broker_status command.
It should list out the brokers that are installed and their names.
If not same, use the similar name for configuration
To create a Broker
In My webMethods Server: Messaging > Broker Servers.
In the Broker Servers List, click the Broker Server on which you want to create the Broker.
Select the Brokers tab and click Add Broker > Save Changes
Restart the broker server and restart the IS.
These steps should help in you to bring broker up.
The broker names are case-sensitive,
please make sure that you have the exact name as the output from the broker_status command.
Eg: Broker name: “SCBWMBroker” should resemble same.
Hope this will be helpful to you in creating the broker and Bringing broker up.