HPE Performance Center documentation states the following about the Secondary Logon:

''The Windows Secondary Logon service enables processes to start using alternate credentials. If this service is stopped this type of logon access will not be available and any services that depend on it will not be able to run.

The Windows Secondary Logon service needs to be started during the installation of Performance Center (PC) / Application Lifecycle Management (ALM) on the following machines:

* ALM platform Servers
* Performance Center Servers

When running PC/ALM, the service should be started on the following machines:

* Performance Center Servers
* Performance Center Hosts

It is required for the following IUSR_METRO related tasks:

* Adding the Performance Center Server,
* Adding a Host,
* Starting a test run,
* Collating,
* Analyzing,
* Rebooting,
* Installing a patch,
* Reconfiguring