After upgrading to QlikView November SR3 the Qlik Scalability tool stopped functioning
QlikView November SR3 and later
A security improvement introduces in QlikView November SR3 will prevent the Qlik Scalability Tool to work properly.
This has been documented on the QlikView November SR3 Release Note available on our download site:The package QlikView Scalability Tools is currently not working in QlikView November 2017 SR3. This is a consequence of security improvement QV-12557, which you can find in the following list bug fixes included in QlikView November 2017 SR3. A new, fixed version of the QlikView Scalability Tools package will be released in March 2018 and will be downloadable from Qlik Community at the following link: QV Scalability Tools (QV10,QV11,QV12).
To resolve this issue you need to download the latest version of the Qlik Scalability Tool available here: https://community.qlik.com/docs/DOC-6658