Having issues installing a Communications Board on Server 2016 Essentials

I am currently trying to install a Communications Board on a Server running Server 2016 Essentials. I keep on getting an error "The third-party INF does not contain digital signature information". I have had no luck with the current drivers that I have found thus far. I was wondering if there may be a way to disable the Server from even attempting to obtain this digital signature in the first place? Or any other possible ways around this? Thank you for any help!
Bryan PivikAsked:
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Dr. KlahnPrincipal Software EngineerCommented:
Sounds like Server is more restrictive than workstation versions about this.  On workstation versions Windows will usually come up with something to the effect of "This software is unsigned and the provider cannot be verified.  Proceed anyway?"

Try allowing Windows to find its own driver through Windows Update, rather than using the supplied driver.

If that fails, please post the device's PCI ID (available through Device Manager) and we may be able to locate an alternate driver.  This information can be obtained by right-clicking the new device, selecting "Properties" from the drop-down menu, and proceeding to the Details tab.

PCI device ID
Bryan PivikAuthor Commented:
Thank you Dr. Klahn.  I was able to disable the Digital Signature check in the Local Group Policy.  The issue remained.  

Contacting the vendor it was determined a new expensive card was needed to replaced.  There were no driver development since Server 2008 apparently.  So replacement was a better solution than cramming a square peg in a round hole.
Bryan PivikAuthor Commented:
Device card replacement due to lack of modern driver support for the Operating System

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