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Mar 27, 2014 at 07:48 PM

Remove SAP from MSCS HA and vice versa

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Hi Guys,

We would like to remove our current SAP J2EE CE 7.11 from our MSCS HA cluster and make it a standalone system, so we can perform an in-place upgrade of MS 2003 to MS 2008. Once the upgrade is complete we would then like to add this system back into a MSCS HA.

I was wondering if someone else has done something similar? I guess it boils down to two questions:

1. Can an SAP system be removed from a 2 x node HA cluster and run without issue on a single server? (HA option selected at install)

2. Can a fully installed SAP system running on a single server be turned in a HA cluster by adding the cluster services and an additional server?

I know export/import is the preferred option - but due to our landscape the above migration method is preferred by the business.

Regards,

Cillian,