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Netscaler Gateway Fatal Handshake Failure


Cathy Leik

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I have a Netscaler VPX FIPS edition set up and was working fine for ICA connections, launching apps and desktops.     Suddenly we can log in but cannot launch apps or desktops.   Looking at a wireshark trace I am seeing  TLSv1.2 - Alert (level: Fatal, Description: Handshake Failure).      The FIPS Cipher Group is bound to the virtual server.

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Wireshark should show you the cipher suites offered by the ADC and you might see an SSL Fatal Error for cipher mismatch. What ciphers do your VDAs support? I assume you installed certs on the VDAs and enabled on the Delivery Group. For cipher options, see https://docs.citrix.com/en-us/citrix-virtual-apps-desktops/secure/tls.html#tls-settings-on-vdas

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