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How good is vSphere's App HA feature?

(Surprisingly, I have not been able to find much in the archives on the subject. May be tags are missing.)

I wish to use vSphere 5.5's App HA appliance to provide HA to Microsoft IIS application. (I do have VMware's 24 page PDF doc - "vSphere App HA Installation and Configuration Guide".)

Has anyone had any experience with it? How well it works? Any precautions or tips? Thanks.

Ajay
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Akulsh
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Akulsh
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Like all VMware functions, it works very well.

there is a good article here, which I think is better than the official guide

http://blogs.vmware.com/vsphere/2014/02/installing-app-ha-pt1.html
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robocatCommented:
HA is a good solution if you can tolerate a few minutes downtime. When properly configured, it works well and failover often takes place before you notice that something is wrong.

For a IIS it should work very well, because this is a non demanding application. Database servers are another thing, because the database could require recovery.
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