While operating in a network environment Occasionally unable to log in to share folders as stated The shared folder password is not accepted as legitimate credentials. so that we may do the easy actions listed below to get it to function again. open the registry edit and find the below key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa In the left pane of this registry location, highlight the Lsa key and come to its right pane. Then, right click in blank space and select New -> DWORD Value. Give the newly created DWORD (REG_DWORD) as LmCompatibilityLevel name double click on it to get this: Logon-Failure-While-Joining-2 after that In the above shown Edit DWORD Value box, put the Value data equals to Click OK. You can now close Registry Editor and reboot the machine. After restarting your computer, you’ll be easily able to join the shared system.
For Windows and Linux,Ubuntu users to improve their computer performance