MDT 2013 - Install applications from another share

Good Afternoon,

Please read the below carefully as to what I want to accomplish. Also note that I am not using SCCM and am only using MDT 2013 for my workstation deployments.

I want to add an application to one of my task sequences where the application will install silently without the help desk staff being prompted whether to install it or not at the beginning of the deployment.

The application (Application1.exe) resides on another server share, completely different from my deployment share.

I have attempted the below without any success.

1. Added the application to the Application > Hardware folder within the workbench.
While this does work, I don't want it to be visible in this list that the help desk staff are prompted with.
If there is a way to hide it from this list then that would solve all problems, but I havent been able to
figure it out, on how to hide it.

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2. Add a "Run Command Line" within my task sequence.

Example:

Task 1
Command (Map Drive): cmd.exe /c net use K: \\Server\Share /user: domain\user /password: pa$$word

Task 2
Command (Install application silently) cmd.exe /c K:\Application1.exe /s

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3.  Add a "Run Command Line" within my task sequence using ZTIConnect
Example:

Task 1
Command (Connect to Server share): Cscript.exe “%SCRIPTROOT%\ZTIConnect.wsf” /uncpath:\\Server\Share

Task 2
Command (Install Application Silently): Application1.exe /s
Start In: .\App1Main

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Does anyone know how to accomplish this? I have been at this for 3 days now, I've been all over google and nothing I find has worked.

Kindly advise.

Regards,
N