iSCSI disconnects after KB4525243 installation

iSCSI disconnects after KB4525243 installation. Message: c:\windows\system32\iscsicpl.exe The stub received bad data.   iSCSI to fiber enabled storage is disconnected and iSCSI initiator tries to connect. VMs are off-Critical as they are stored on the external storage. Even after restart, the iSCSI initiator can’t connect. Storage seems to work, but Hyper-V cannot connect to it…