On version 5:
1) Go to Start, run, type 'cet' on the UCCX Server. This will launch the Configuration Object Editor.
2) Browse to: com.cisco.crs.cluster.config.AppAdminSetupConfig in the left hand pane.
3) Right click the row on the right and hit modify. Then select the 'com.cisco.crs.cluster.config.AppAdminSetupConfig' tab.
4) Change the setup state to: FRESH_INSTALL and hit OK
5) Log into the CRA App Admin page with the default username (may be case sensitive): Administrator and password: ciscocisco