Unable to see workstation after replacing DCs

I currently have four locations connected over an MPLS.  I recently replaced both DCs a the corporate office with two 2019 servers.  Since the change computers at each location are no longer able to see any other workstations/servers on the network.  I have a mix of WIN7 and 10 workstations.  If this is related to disabling SMB1 is there a workaround to emulate the same sort of browsing functionality?
John DiazFEC AdminAsked:
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MaheshArchitectCommented:
disabling smb1 should not create any issues for these client OS

Check if workstation service is stopped on workstations
Coolie SheppardSystems EngineerCommented:
In the domain controller, go into Control Panel > Network and Sharing Center > Advanced Sharing Settings

Under "Domain" select "Turn on network discovery" and "Save Changes"
John DiazFEC AdminAuthor Commented:
The workstation service is set to automatic and running on the workstations.  Network discovery is turned on for both servers.

I ran dcdiag /a /c/ /q it returned 0 errors for both DNS/DC servers.
Coolie SheppardSystems EngineerCommented:
It appears SMB1 does rely on network discovery according to Microsoft, however there is a fix, see below:

Explorer Network Browsing

The Computer Browser service relies on the SMBv1 protocol to populate the Windows Explorer Network node (also known as "Network Neighborhood"). This legacy protocol is long deprecated, doesn't route, and has limited security. Because the service cannot function without SMBv1, it is removed at the same time.

However, if you still have to use the Explorer Network in home and small business workgroup environments to locate Windows-based computers, you can follow these steps on your Windows-based computers that no longer use SMBv1:

Start the "Function Discovery Provider Host" and "Function Discovery Resource Publication" services, and then set them to Automatic (Delayed Start).

When you open Explorer Network, enable network discovery when you are prompted.

All Windows devices within that subnet that have these settings will now appear in Network for browsing. This uses the WS-DISCOVERY protocol. Contact your other vendors and manufacturers if their devices still don't appear in this browse list after the Windows devices appear. It is possible they have this protocol disabled or that they support only SMBv1.

For reference:

https://support.microsoft.com/en-us/help/4034314/smbv1-is-not-installed-by-default-in-windows

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