Is CA Database Command Center Portal r11.5.0 (CA DCC) supported on Windows 64 bit operating system?
No, CA Database Command Center Portal r11.5.0 (CA DCC) is not supported on Windows 64 bit operating systems, CA DCC must be installed on a 32 bit operating system, please see the CA DCC r11.5.0 Readme.
However, CA Insight DPM is supported on 64 bit as well as 32 bit. Please see our Compatibilities web page for CA Insight DPM:
Release: UNIDCC99000-11.5-Database Command Center