connection failure: unknown username or bad password. Windows 7 computer tries to connect to Vista

I bought a PC W7 and tries to connect to other computers on the network. I can connect to one, cannot connect to the other, but see them as well in the network and sharing Center/view network computers and devices. When I try to log into the device poor, the system automatically changes the ID of the user - I'm on ADMIN, try to connect to GUEST - it varies from my sign in COMMENTS to ADMIN_PC\GUEST.

I connect to the local network of the W7 machine wireless. Vista machine I can connect is connected via the ethernet connection to the router. The machine, I can see, but cannot connect to is connected to a switch via ethernet and then connected by ethernet to the router.

After reading discussion forums, it seems that this problem could be resolved through amendments to the local security policy - network security: LAN Manager authentication level, but I can't find where to do this.

I'm at the end of my thether - I believed the hype and thought that W7 would be easy to use. What should I do to get this thing to work?

You don't need to change anything with LAN Manager. The problem is probably related to point C below. Here are the steps of general network troubleshooting. Just cannot apply to your situation, so just take the bits that are. It may seem daunting, but if you follow the steps in the links and suggestions below calmly and consistently, you will have no difficulty to implement your sharing.

Problems sharing files between computers on a network are usually caused by 1) a misconfigured firewall or a firewall neglected (including a dynamic firewall in a virtual private network); or (2) inadvertently run two firewalls such as the firewall of Windows and a third-party firewall. and/or (3) do not have accounts to the same users and passwords on all computers in the workgroup. (4) tries to create actions where the operating system does not.

In Windows 7, go to control panel > everything in Control Panel > network and sharing Center. Click on "change the advanced sharing settings. You don't want to use the residential group unless you have all Windows 7 machines. If you do and you want to use the homegroup, see Windows 7 Help & Support. Otherwise, in sharing advanced:

Discovery of plug in the network
Open the files and printers sharing
Turn on the sharing section Public folder sharing
Plug the password protected sharing

A. configure the firewall on all machines to allow traffic to local area network (LAN) as being approved. With the Windows Firewall, turning on window file sharing and printer as the above will take care of that for you. In XP, you can run the Network Setup Wizard or just enable file sharing / print in the Windows XP firewall exceptions. If you are not running a third-party firewall or you have an antivirus/security with its own firewall component program, then you're fine.  With a third-party firewall, I usually set up the allocation of LAN with an IP address range. E.g. would be 192.168.1.0 - 192.168.1.254. Obviously you would substitute your correct subnet. Refer to the safety of any third party program or the user forums for how to correctly configure its firewall. Do not run more than one firewall. DON'T STOP FIREWALLS; CONFIGURE THEM CORRECTLY.

(B) to facilitate the Organization, put all computers in the same workgroup. This is done from the System applet in Control Panel, the computer name tab.

C. create the counterpart of the user accounts and passwords on all machines. You do not need to be logged into the same account on all machines and assigned to each user account passwords can be different; accounts/passwords just need to exist and to match on all machines. DO NOT NEGLECT TO CREATE PASSWORDS, EVEN IF ONLY OF SIMPLE. If you want a machine to boot directly to the desktop (a particular user account) for convenience, you can do this:

Start > Search box > type: netplwiz [Enter]
Click continue (or provide an administrator password) when you are prompted by UAC

Uncheck "users must enter a user name and password to use this computer". Select a user account to connect automatically by clicking on the account you want to highlight and press OK. Enter the password for this user account (when it exists) when you are prompted. Leave blank if there is no password (null).

XP - set up Windows to automatically connect (MVP Ramesh) - http://windowsxp.mvps.org/Autologon.htm

D. Si one or more of the computers on your network are XP Pro or Media Center, turn off Simple file sharing (Folder Options > view tab).

E. create share as you wish. In Windows 7 I usually share the Desktop of the user and the Public directory.
MS - MVP - Elephant Boy computers - don't panic!

Tags: Windows

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