Old CMake versions fail to generate build files

Author: wesmc7777

articles/iot-dps/quick-create-simulated-device-symm-key.md

@@ -48,6 +48,8 @@ The SDK includes the sample code for a simulated device. This simulated device w
 
     It is important that the Visual Studio prerequisites (Visual Studio and the 'Desktop development with C++' workload) are installed on your machine, **before** starting the `CMake` installation. Once the prerequisites are in place, and the download is verified, install the CMake build system.
 
+    Older versions of the CMake build system fail to generate the solution file used in this article. Make sure to use a newer version of CMake.
+
 2. Click **Tags** and find the tag name for the latest release on the [Release page of the Azure IoT C SDK](https://github.com/Azure/azure-iot-sdk-c/releases/latest).
 
 3. Open a command prompt or Git Bash shell. Run the following commands to clone the latest release of the [Azure IoT C SDK](https://github.com/Azure/azure-iot-sdk-c) GitHub repository. Use the tag you found in the previous step as the value for the `-b` parameter: