Win7 flagship computer appears the network printer username or password wrong hint how to do?

In general, many smaller companies do not have a single printer in each office, because this will inevitably cause waste of resources, of course, for small companies, this configuration costs will be relatively high, so, in many companies, are using printer sharing way to achieve the company's printing services, but recently, There was a problem with a user using the printer in the Win7 64-bit flagship ISO. Under normal circumstances, everyone is through IP login to use the printer, but the user in the landing when the "Network printer username or password error" hint, then such a problem, how do we solve it?

1. First, let's press the Win+r shortcut on the Win7 flagship computer keyboard to open the computer's running window, and then enter gpedit.msc in the window and click Return so that you can open the Local Group Policy Editor window in the Win7 flagship version.

2. In the Local Group Policy Editor window of the open Win7 flagship computer, in turn, click to expand Computer Configuration-Windows Settings-security settings-Local Policies-security options in the left menu. Then find network security in the right window: LAN Manager authentication group option.

3. Let's double click to open the entry and modify the default "undefined" to "send only NTLM response".