We have an ongoing analysis with Citrix support regarding VDA going unregistered when an admin RDP reconnect to a VDA. IPv6 was already disabled (prefer IPv4 over IPv6) and upgrading to CU4 has changed nothing. Next step is to capture network traces.
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Ryan Gallier
02/21/2022, 4:30 PM
CU4 is a confirmed dumpster fire. You should not be using it