Important Update:
HWCCT was removed from HANA 2.0 SPS05 (2.00.059.01) and later version.
Please use now the newer HCMT Tool for HANA 2.0 based HANA instances
For details please look into SAP Notes: https://launchpad.support.sap.com/#/notes/2493172 for HMCT
and
https://launchpad.support.sap.com/#/notes/1943937 for HWCCT