Symptom 1:
Cannot connect to server ";40;STA*** " when launch ICA session from mac client
With VPN enabled, user can only access internal network and fail to launch ICA session.
Without VPN enabled,user can access to external network and launch ICA Session successfully

Symptom 2:
"The SDK context supplied is not valid for the function called" when clicking Desktop icon in storeweb 

• Run below command in mac command line tool to change SSLCertificateRevocationCheckPolicy parameter to Nocheck:

defaults write com.citrix.receiver.nomas SSLCertificateRevocationCheckPolicy NoCheck

Problem Cause

By default,SSLCertificateRevocationCheckPolicy is set to FullAccessCheck.
If there is no internet access, downloading certificate revocation list (CRL) would be timeout and SSL Certificate Revocation check would fail which results in ICA launch failure.