Solution:

 Please follow the below-mentioned steps: (Refer Setting Up AdminStudio Enterprise Server.jpg)

1. Goto the machine where the AdminStudio is currently being installed. 

2. In the Start Menu Search for Process Template Editor and launch it. 

3. Click on Catalog Option at the top left corner > Click on Connect 

4. "Connect Application Catalog" window will be displayed. 

5. Click on Enterprise Server Tab. 

6. Click on the link http://localhost and provide the IP of the machine currently being used along with Port Number. 

7. Provide the Username and Password. 

8. Click on Login Button. 

Should be able to connect to AdminStudio Enterprise server without any error.