# Why you must ensure complete SSL certificate chains exist before installation

During the installation of WebSphere® MQ Version 7.0, the AMQMCERT command line interface and the Manage SSL Certificates graphical interface, which provide access to WebSphere MQ Version 5.3 certificate stores, are removed, and you will not be able to add any missing certification authority certificates to these stores after installation.

Parent topic: Step 1: Ensuring WebSphere MQ certificate stores contain complete certificate chains