If the Rational® ClearQuest® client is installed on your system, it is used by default. If the Rational ClearQuest client is not installed on your system, the Rational ClearQuest Web Interface is the default interface. To enable the use of the Rational ClearQuest Web Interface, set the following environment variables from the command-line prompt:
The Rational ClearCase® administrator can set a configuration parameter to force the use of the Rational ClearQuest Web Interface even if the Rational ClearQuest client is installed.