Hi everyone, I took the patch created by Trond: https://marc.info/?l=linux-nfs&m=162326359818467&w=2 [Subject: [PATCH] NFSv4: Initialise connection to the server in nfs4_alloc_client()] Then rebuilt the NFSv4 kernel module and installed it on my Ubuntu virtual machine. The valid NFS mounts are no longer being blocked! We've had several fairly significant outages for almost a year now (when we migrated to NFSv4) due to this issue and this patch will eliminate these types of incidents. We greatly appreciate all the work that was done (especially knowing everyone has a busy schedule). Thanks so much to everyone that helped! Mike