QA verification is blocked by Bug 1788818, will verify this bug when the blocker fixed, thanks.
This bug has been verified and padded on OCP 4.4.0-0.nightly-2020-01-12-032939, thanks.
# oc get clusterversion
NAME VERSION AVAILABLE PROGRESSING SINCE STATUS
version 4.4.0-0.nightly-2020-01-12-032939 True False 77m Cluster version is 4.4.0-0.nightly-2020-01-12-032939
# git show
1, Run WSU against a Windows node attached to a 4.4 cluster
2, Run succeed and all hybrid-overlay Tasks pass
3, Check windows node added to cluster
# oc get node
NAME STATUS ROLES AGE VERSION
ip-10-0-31-23.us-east-2.compute.internal Ready worker 129m v1.16.2
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.