Updated guide 2026 - How to solve the shared folder access error in Windows 11 25H2
Learn how to permanently resolve the shared folder access error in Windows 11 (versions 24H2 and 25H2). If you are facing "Access Denied" or network credential problems, this is the updated solution for 2026.
This method adjusts security settings and SMB protocols that have changed in recent Windows updates.
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🛠️ Commands used (PowerShell as Administrator):
Copy and paste the commands below to correct network permissions:
PowerShell
Set-SmbClientConfiguration -EnableInsecureGuestLogons $true -Force
Set-SmbClientConfiguration -RequireSecuritySignature $false -Force
Set-SmbServerConfiguration -RequireSecuritySignature $false -Force
💡 Extra Tip: If after the commands Windows still asks for credentials (login/password), type Guest in the "Username" field and click save.
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