password not recognized

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.