Microsoft Entra Hybrid Join Issue Despite Setting Up All Essentials

I’m facing an issue where my client computer is unable to join Hybrid Azure AD, even though I’ve already set up all the essential steps, I downloaded that Microsoft Entra Connect Sync tool from the official site and did all the necessary steps. including configuring the SCP (Service Connection Point).

Our main server is in New York, and our branch office is in Asia region, I want to have Microsoft Entra Hybrid Joined to all of my office PC in order to apply some conditional access policies.

Despite these setups, the device fails at the discovery phase, and I can’t figure out what’s missing.

This is what it says when I try to manually add the client PC

TenantInfo::Discover: Failed reading registration data from AD. Defaulting to autojoin disabled 0x800706ba

DsrCmdJoinHelper::Join: TenantInfo::Discover failed with error code 0x801c001d.

Has anyone encountered a similar issue? Any guidance or troubleshooting tips would be greatly appreciated.

Thanks!