: The most frequent cause is that required UDP ports (typically 1494 for ICA and 2598 for Session Reliability) are restricted by a firewall on either the client or server side.
If you are launching applications from a web browser: : The most frequent cause is that required
This confirms that the issue is not a configuration typo (which would usually result in a "Name not found" or "404" error) or a permissions issue (which would result in an access denied error). Instead, it is a . Your computer sent a "SYN" packet to initiate a connection, waited for a response, and received nothing back. waited for a response