Logon Failed: User Account restriction. Possible causes include not allow empty passwords, logon time restrictions, or mandatory policy restrictions.

When you access other hosts in the LAN by using the network neighbor/default share (http://www.cnblogs.com/tongzhen#/admin/file://##192.168.0.220.d$), the logon interface is displayed. Enter the user name and blank password and the prompt is displayed:
Logon Failed: User Account restriction. Possible causes include not allow empty passwords, logon time restrictions, or mandatory policy restrictions.

The reason is that "only console logon is allowed for local accounts with blank passwords" is enabled in the 192.168.0.2 group policy "! For security, we recommend that you add a password to your account. You can enter the user name and password when accessing the account on other hosts. If you do not want to set a password and want to access other hosts properly, set it as follows:

Run gpedit. msc and expand "Computer Configuration> Windows Settings> Security Settings> Local Policies> Security Options" to enable "Account: A local account with a blank password can only log on to the console. "Disable one item.