When changing your password on a samba (Linux) server, the tokens a Windows machine holds get invalidated, yet Windows does not automatically prompt for new credentials. Instead, it consistently says “access denied” when trying to access a previously available share, say, \\myfineserver\share
If you previously mapped this drive, disconnecting is trivial in explorer, but if you browsed the network to access this drive, it’s not that straight forward.
There is a solution, however, which is roughly equivalent to nuking the site from orbit. Running the following commands will clear all current network credentials:
net use * /del /yes net use /persistent:no