Monday, 20 October 2014

Citrix XenMobile 9 "server requires client certificate" error message

My new Xenmobile 9 installation alongside Netsclaer 10.5 using the SSL Offload configuration kept giving me an error on the WORXMAIL client of

"server requires client certificate"

I tried to access the XenMobile server direct and through the Netscaler but with the same error each time.

Eventually this turned out to be quite simple, a incorrect firewall policy was blocking port 8443 to the required IP addresses in the DMZ.

Ensuring the rule allowed communication to the SSL Offload VIP address allowed me to correct this error.

Another Gotcha i had on this was i changed the XenMobile Server to use External Certificates as per Citrix Article. I did not notice but the "externalSslCert" wording is case sensitive.

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