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Wired Lan, two PC's, Win 11 Pro, Same Workgroup, same accounts, always reject valid passwords

Bruce Hildebrand 1 Reputation point
2026-06-15T22:58:45.4333333+00:00

Win 10 Pro worked fine NEVER A PROBLEM.
Win 11 Pro no go.
tried:
network reset

Disable password protected sharing
i Re-shared the shares, AND EXPLICITLY ADDED administrator and everyone with FULL CONTROL
Dropped Firewall

Made sure the following services were running:
Function Discovery Provider Host
Function Discovery Resource Publication
SSDP
Upnp Device Host

I can ping and even see the other PC in the network browser.
Administrator accounts enabled and have same password

I click on the other PC.
It asks for user ID and password.
I enter: (other PC Name)\Administrator
or (other PC Name)(another user)

I enter appropriate password. It tells me UserID or password is wrong.
same goes when I am on other PC.

What gives?

Windows for home | Windows 11 | Files, folders, and storage
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3 answers

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  1. Manoel Barros 19,455 Reputation points Independent Advisor
    2026-06-16T01:14:21.3133333+00:00

    Hi!

    Did you upgrade from Windows 10 to Windows 11, or did you reinstall Windows 11 from scratch?

    Are you using Local Accounts, or email accounts?

    In that case, I recommend doing all the sharing from scratch. Let's define the two computers as PC01 and PC02. PC01 is the computer where you have a folder to share. If you share folders on both PCs, perform the procedure first with PC01, and if it works, do it with PC02.

    01 - Network (PC01)

    1. Right-click on the Internet icon > Network and Internet Settings.
    2. Click on Properties > Mark the Network Profile as Private.
    3. Go back to the Network Settings > Click on Advanced Network Settings > Click on Advanced Sharing Settings.
    • In Private, check the Network discovery, Automatically configure network-connected devices, File and printer sharing.
    • Expand All Networks > Check Password protected sharing.
    1. If the User does not have a password, add a password to the user whose access to the folder you have restricted.
    • Generally, when sharing files, I prefer to create a dedicated user for that purpose. I usually create a user named share. Press Windows + R > Type cmd > press enter > Type the command below:
    net user /add share PASSWORDHERE
    
    • Replace PASSWORDHERE with your desired password. Write down the password.
    • share is the username. You can change it, avoid spaces.

    02 - Shared Folder (PC01)

    1. Open the Shared Folder Properties > Click Sharing > Advanced Sharing... > Permissions > Add > Advanced > Find now > Search for the username (share) > Select the user > Click OK.
    2. Select the user and check Full Control > Click OK.
    3. You will do this procedure in Security if you have not done so already.

    03 - Hostname (PC01)

    1. Rename your computer to make adding easier and avoid network problems. Skip this step if you've already done it. Press Windows + R > Type sysdm.cpl.
    2. Under Computer Name, click Change... > Under Computer Name, enter an easy hostname, avoid spaces and special characters. Prefer names like PC01, COMPUTER01, SERVER, etc.
    3. OK > Apply > Restart your computer > Note this name.

    04 - Add Share (PC02)

    1. Right-click on the Internet icon > Network and Internet Settings.
    2. Click on Properties > Mark the Network Profile as Private.
    3. Press Windows + R > Type "control keymgr.dll" (without quotes) > Click on Windows Credentials > Add a Windows Credential.
    4. Fill in the Address, Username and Password fields > Save.
    • In username and password, enter the username and password, or the username you created.
    • In address, enter the hostname of PC01.
    1. Press Windows + R > Type \\HOSTNAMEPC01 > Press Enter.
    • Replace HOSTNAMEPC01 with the hostname of PC01 that was defined.

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  2. Bruce Hildebrand 1 Reputation point
    2026-06-15T23:21:12.0633333+00:00

    I do not accept the above answer since it did not work. I didn't discard it because it might help someone

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  3. Bruce Hildebrand 1 Reputation point
    2026-06-15T23:19:58.0133333+00:00

    I do not accept answer as it does not work. but did not want the answer deleted

    I

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