Update: VMware has now published a KB article covering this issue.  The fix steps provided there are the same as below.

Using Horizon View 5.2 Feature Pack 1 against a Windows XP Desktop source HTML access connections fail with:

An error has occurred: {“code”:”ECONNRESET”}

Subsequent tests against a Windows 7 Desktop source all function correctly, so I know my configuration is correct.  What’s the problem here, and is there a solution?

Great question, so what’s actually going on here?  It’s even talked about on Wee Kiong Tan’s blog here, he had the same issue, so lets walk though what causes this.

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