Zentyal doesn't have Failover Cluster listed as a supported feature. You can try installing Active Directory and use Zentyal as an additional one.
When I ping the DOMAIN.com from the same floor or users PC internally, why the response is coming from different Domain Controllers from SIte-1, Site-2 and sometimes Site-3?
That is the expected behavior, unless the local DNS server is configured for the correct localnetpriority mask.
The possible ways to do this would be as follow:
If your servers are in a local network and not hosted on Azure then deploy a Remote Desktop Gateway (RDG) farm and integrate it with Azure AD using Network Policy Server (NPS) extension, this will let Azure handle MFA requests: https://docs.microsoft.com/en-us/azure/active-directory/authentication/howto-mfa-...
I suggest identifying exactly which updates are dependencies for Docker to work properly, and verifying those are installed specifically. It's surprisingly hard to emulate the "Check for Updates" button in PowerShell.
These are the built in commands, but they aren't documented and are just wrappers for WMI method calls.
Get-Command -Module ...
How to: Determine which .NET Framework versions are installed
Key: HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full
For .NET Framework 4.7.2, Release should be 461814.
You don't mention whether this is a new DFS replica or not. Normally, it's a staging area that's too small - it must be set to greater than the size of the 32 largest files stored on the share.
Or else it's a problem with file locking.
Check this guide to see if you have any other basic configuration problems.
Then follow this guide for troubleshooting. It's ...
I figured that the only way to solve my issues was to have a daemon running on both sides. Since I didn't want to install Cygwin or WSL on the remove Windows Server (not under my control) I ended up using Unison which works perfectly fine so far. Syncing now takes 10-15 minutes. So use Unison with SSH I downloaded the SSH binary from the PowerShell ...