'No card reader found' over Remote Desktop (RDP)

windows

Symptoms

CAC works locally but the remote session over RDP cannot see the reader.

Likely cause

Misunderstanding of where ActivClient must be installed - it runs on the client side, redirecting the local reader into the remote session.

Fix

1. Install the CAC reader driver AND ActivClient on the LOCAL (viewing) computer. 2. The reader on your local machine is then redirected into the RDP session - the remote host only needs the certificates.

Sourced from militarycac.com. Rewritten for clarity.

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