Hi,
Thank you for posting in Q&A!
In regards to your issues, can you try to access the sharing folder use FQDN?
You can try to
(1) Add the DNS domain suffix in the TCP/IP advanced properties of the troubled computer.
(2)Delete Offline Files Cache:
Open Registry editor (Execute Regedit from Run window)
Go to this key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Csc\Parameters
If Parameters key does not exist under CSC you can add it.
Now in the Parameters node create a new registry value with the name FormatDatabase of type REG_DWORD (i.e DWord 32-bit value)
Set the data in this new registry value to 1.
Close registry editor
Reboot the machine
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