Windows 10 Network Credentials. Check that your IP addresses are properly assigned. All Windows Authentication credentials removed and computer restarted.
Credential Manager is a control panel utility that manages your logon information for websites, networks. There are still some wrinkles in the network experience between OS X and. Press the Windows key + R together to open the Run box.
Check that your IP addresses are properly assigned.
Neither machine is remembering the login What does the Credential Manager say the username is?
This is called caching network credentials. When you first log into a network share, Windows can store those login credentials in the Credential Manager. This can prove to be a real menace for most of the people as they don't know which credentials Windows is referring to.