If in the event log you see
Could not load all ISAPI filters for site 'SHAREPOINT CENTRAL ADMINISTRATION V3'. Therefore site startup aborted.
Try this:
// Disabling the 32bit mode for your web site.
cscript C:\inetpub\adminscripts\adsutil.vbs SET W3SVC/AppPools/Enable32bitAppOnWin64 0
and then the following
// Registering ASP.NET 2.0 as the default framework for that web site
C:\Windows\Microsoft.NET\Framework64\v2.0.50727>
aspnet_regiis.exe -i
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