We have a Windows Server 2008 DataCenter R2 network and a Business Continuity solution that we are planning (on a separate phisical site on the same domain. A 3rd party has installed all the servers and applications (SQL, Progress and flat files).
Another organisation has advised that we employ application clustering on some of our critical applications (SQL, SQL Express and Progress).
Can this functionality be added on 'top of' the existing installation or is this something that needs to be in place before the installation of the appliactions?
Before you install the cluster service, you must make a small plan and check your hardware ability, there have a little work have to do, you can refer the following information
first then according your environment make the plan.
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