In MCU 2.0.15974 and prior you see the error message "standard in must be a tty" while trying to join a system to the domain.
1 - Dowload ftp.vintela.com/vas/support/sugi-core-2.0.1.zip
2 - Rename the tar file to jar
3 -Replace the sugi-core*.jar file with the one provided
On linux/unix the sugi-core file is located here.
On a windows server the file is located here.
C:\Program Files\Quest Software\Management Console for Unix\webapps\ROOT\WEB-INF\lib
Do ensure that the old sugi-core.jar file is deleted (not renamed) or completely move it into a new directory not associated to MCU
Pending fix in a future release of MCU