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Downloading the Automation Engine client applications installer and downloading an update for an Automation Engine client application is very slow on Windows.


On a Windows system,

  • Downloading the Automation Engine client applications installer from the Client Apps page of the Server Admin Web Tool is very slow.
  • When an update of an Automation Engine client application is required or available, downloading the update takes a very long time.


The problem can be caused by the Deterministic Network Enhancer.

To disable the Deterministic Network Enhancer, do the following:

  1. Open the Network and Sharing Center and click Change adapter settings, or click the Start button, enter ncpa.cpl in the search field and press ENTER.
  2. Right-click the network connection you are using to connect to the network and click Properties.
  3. Check if the network connection is using the Deterministic Network Enhancer.
  4. Uncheck the check box next to Deterministic Network Enhancer and click OK.

Article information
Applies to

Automation Engine 12.1 and newer

Last revised 
CW Number232119