Hi Phil,
Is UCCX 8.0(2) on a Vmware platform - If yes make sure its running on the following hardware and software platform
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UCS B200 M1 Blade Server (or)
UCS C210 M1
Supported VMware platform is ESXi 4.0
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a) Try the following URL and see if the APPADMIN page pops up
https://X.X.X.X:8443/appadmin/main
b) If this does not help try rebooting the box through CLI - command is "utils system restart"
c) Else upgrade the box to SU1 or open up a case with TAC
From the link below you can download the the SU1 link
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http://tools.cisco.com/support/downloads/go/ImageList.x?relVer=8.0(2)_SU1&mdfid=270569180&sftType=Cisco+Customer+Response+Solution+Software+Releases&optPlat=&nodecount=2&edesignator=null&modelName=Cisco+Customer+Response+Solution+Software&treeMdfId=&...
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Hope this helps
Thank you
Anuj