Private Network Broken after Win 11 24H2 update.

I recently upgraded our 2 x Win 11 PC's to v24H2 26100.6584, now windows security on both PC's keeps asking for Network Credentials when trying to view files/folders on either PC.
I have no clue as to what the password is for the credentials on either PC, everything is the same for both PC's except that one PC's credentials were changed recently on 14/08/2025.

Any help would be appreciated.

Use same credentials as your user on either PC. Assuming they are the same.

suparoo said:

I recently upgraded our 2 x Win 11 PC's to v24H2 26100.6584, now windows security on both PC's keeps asking for Network Credentials when trying to view files/folders on either PC.

Click to expand...

Starting with 24H2 network security has been tightened up. Insecure guest logons are now disabled by default. This caught a lot of people out, particularly those who had been connecting in 23H2 with local accounts that had no password.


By default Windows will try to connect with the username and password that you are signed in with on this PC. If that account exists on the remote computer and has the same password then you will connect. If not, then you will be asked for credentials. The account you use to connect must have a password, an account with no password is treated as an insecure connection and will be rejected.

There are two ways to cope with this in 24H2.

The first is to connect to the remote computer using the name and password of a user account that exists on that computer.

When connecting as another user you will have the opportunity to remember these credentials for the next time you connect. You can, if you wish, create a new local account on that remote computer specifically for this purpose. When connected you will have the permissions of that remote account, so you may need to grant it access to those folder you wish it to see.




The second way it to enable insecure logons in 24H2. You will need to do this both on the remote computer (for incoming connections) and the computer that's trying to connect (allow outgoing insecure connections).

See my post here for more details:
Copying executable files from a network drive? - post #12


For myself, I used the first method when I first upgraded to 24H2 and found I could no longer connect to some of my shares.

Go to Control Panel>Credentials> Windows Credentials>add a windows credential

In the "Internet or network address" box, type the name of the other computer on the network that you want to access.
In the User name and Password boxes, type the user name and password that you use for that computer, and then click OK.
Note: It must be a password, not a pin.

Note:Each computer should have a credential for each of the other computers it wants to share files from/to...even if the same username and password is used on them all. This includes even if the same MS account is used on them all.