There is no Citrix SSL server configured on the specified address

common causes for “There is no Citrix SSL server configured on the specified address.”.

If you’re supporting a secure gateway / access gateway solution for external clients / home working, you’ll already know about this error.

These are some general troubleshooting steps.

This error is always the client that can not resolve / connect to the SSLPROXYHOST value in the launch.ica.

  • have a look at launch.ica for the value SSLProxyHost.  Is it the FQDN of your Secure gateway / Access gateway?  if not => look at your WI settings.  On newer WI/clients you might have to disable the citrix browser plugin to be able to rightclick on the published app and save the launch.ica
  • check your clients proxy settings.  He might have a proxy enabled (because he visited a customer), that is not there.  Or he might be at a place where a proxy is needed.
  • Firewall restrictions on 443.  Even had a customer where there were VLANS with 443 enabled or disabled.
  • Check the launch.ica again.  If the value proxytype=none => you might experience problems with proxies, pac & dat automatic configuration scripts.  Set the Web Interface to auto, use browser settings or automatically detect settings dependent on the WI version.
  • Verify if your customer can resolve the FQDN of your CSG/AGW correctly.  check your customers hosts file.  Maybe the FQDN & ip was set hardcoded in the hosts file.  Maybe there is a fixed record in your DNS or the customers DNS.
  • There is a known bug in citrix clients < 10.2, where the citrix ica client fails to process .PAC scripts.
  • … finally check citrix forums and

2 responses to “There is no Citrix SSL server configured on the specified address

  1. Found a simple solution to this problem as well as the “SSL Error 29: The proxy denied access to…” problem.

    Disable and then enable “remote desktop” on your Citrix gateway that did the job for me..

  2. Wonderful post but I was wanting to know if you could write a litte more on this subject?
    I’d be very grateful if you could elaborate a little bit further.

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