Update: how to use Medicare PKI on Windows 64 bit

A couple of weeks ago I wrote an article for Pulse+IT to share my experience on how to make Medicare PKI tokens work on Windows 64-bit systems, especially over a remote desktop connection.

Since then, there have been some developments. I have obtained the latest installation CD from Medicare, version 1.3 (May 2012) which still only provides software for Windows 32 bit.

While this software installs and works well on Windows 64-bit systems, using Internet Explorer 32 bit still causes problems when trying to use the token during a remote desktop session.

Specifically, in one of my client's practices all computers were replaced with thin clients connecting to a Windows remote desktop server (terminal server). The problem arose when the system was upgraded from Windows 2003 (32 bit) to Windows 2008 R2 (64 bit).

Every time users tried to connect to HPOS, regardless of which version of Internet Explorer they were using, they always encountered the following error message: "An attempt to authenticate with a client certificate failed. A valid client certificate is required to make this connection."

The problem was addressed by installing the 64-bit version of the SafeSign Identity Client 3.0 software.

I have been in touch with Giesecke & Devrient Australasia about purchasing the software for all of my clients, but I was informed that they are unable to supply directly as the product used by health professionals is provided only through Medicare.

In the meantime, Giesecke has met with Medicare to discuss the distribution of the updated software. However, Medicare advised that they need to validate the compatibility of the 64-bit version of SafeSign with their current system before releasing it to health professionals.

I was advised to redirect all enquiries regarding this matter directly to Medicare as they are in the process of setting up a strategy to deal with enquiries.

Health professionals interested in receiving the updated driver should send an email to Medicare at This email address is being protected from spambots. You need JavaScript enabled to view it. and provide their name, their 10-digit registration number, site or practice name, best contact number and time to contact.

Alberto Tinazzi is a certified IT security consultant and director of eHealth Security Services.

Posted in Australian eHealth

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