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vCloud Automation Center- vCAC 5.1 – DEMs Demystified

There are two types of DEMs that are used within vCAC.  Those are:

  • Orchestrator DEM
  • Worker DEM

 

DEMs in General

You have to have at least one Orchestrator DEM and Worker DEM, but depending on the size of your environment you may have more than one of each. You may have more than one of each for redundancy purposes as well. DEMs can be installed in active-active pairs providing full resiliency for each other. DEM’s communicate with the vCAC Model Manager to receive work items that need processing. The really nice part is they pull from the Model Manager, the Model manager doesn’t push items to them. This is very helpful if you need ti utilize a DEM in a fire-walled environment.
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vCloud Automation Center- vCAC 5.1 – vCAC Manager Installation

Before starting the installation you should login to the server using the account that you have setup with permissions to your SQL database server. If you are using a local SQL Express instance you can login with an account that has permission to the local SQL Express. The account should be a domain account in the domain that you joined the server to. If you intend to use the same account as the service account for the installation make sure the account has the “Run as Service” privilege on the local server. If you haven’t already done so you should read “VMware Cloud Automation Center – What to know before you install.“

Watch the video tutorial!

Installation Overview

The vCAC 5.1 Manager Installation includes a few components you should be familiar with. The components are:
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vCloud Automation Center- vCAC 5.1 – What to know before you install!

Before you proceed to run the vCAC installation there are a few things you need to know for a smooth and successful install. vCAC has a number of prerequisites that need to be in place. Below is a list of what’s needed and then I’ll elaborate where needed:

  • Must be installed on Windows Server 2008 R2 SP1
  • Microsoft .NET Framework 4.5 needs to be installed
  • Windows PowerShell Version 2.0
  • Server “should” be joined to a domain to allow for use of active directory users
  • SQL Server 2008 R2 SP1 Server or Express (Server recommended unless just doing testing)
  • IIS Server Role Must be installed with the following Role Services:
    • — Static Content
    • — HTTP Redirection
    • — ASP.NET
    • — .NET Extensibility
    • — ASP
    • — Server Side Includes
    • — Windows Authentication
    • — Static Content Compression
    • — Dynamic Content Compression
    • — IIS 6 Management Compatibility

    Next you will need to do some configuration within IIS. Open IIS, go to the “Default Web Site” and do the following:

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