Splunk Enterprise Security

Enterprise Security Sandbox Not Available

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I have been trying to deploy the Enterprise Security 7 days free trial Sandbox for days now without success.


Each time I attempt to subscribe, i get the following error


Proxy Error

The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request

Reason: DNS lookup failure for: uw2-iteng-prd-ss-cf-cloud-trial-1821109459.us-west-2.elb.amazonaws.com


Additionally, a 502 Bad Gateway error was encountered while trying to use an ErrorDocument to handle the request.


I dont know why this is happening. 


can someone please advice me on what to do?

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