Sorry for the delayed response. You can follow below article for troubleshooting password hash sync,
If this doesn't resolve the issue we can work on this offline.
Please send us an email on azcommunity [at] microsoft [dot] com with Sub - Attn: Sandeg and following details in the email body:
Link to this thread/post
We can connect offline and discuss further on this.
Let me know if you have any further questions.
Please "Accept the answer" if the information helped you. This will help us and others in the community as well.