If you are repeatedly prompted for a username and password that you know are correct, try these proven solutions: 1. Manually Add Credentials to Windows Vault
For most home users connecting to a NAS, use: NAS-NAME\username or just username if the NAS is in the same workgroup. windows 11 smb username/password
For advanced users and system administrators, Windows 11 provides granular control over SMB authentication via Group Policy and the Registry. Settings such as "Enable insecure guest logons" can be toggled to allow connections to devices that do not support standard Windows authentication, though this is strongly discouraged. If you are repeatedly prompted for a username
Sometimes Windows fails to prompt correctly or uses cached, outdated info. You can force it to use specific credentials: Open from the Start menu. Select Windows Credentials > Add a Windows credential . Settings such as "Enable insecure guest logons" can
Unlike its predecessors, which often allowed for easier anonymous or "guest" access to network shares, Windows 11 defaults to a "security first" posture. The operating system disables insecure legacy protocols and enforces stricter password-protected sharing. By default, when a user attempts to connect to an SMB share, Windows 11 requires authentication. This is a direct response to the historical prevalence of SMB-based exploits, such as the WannaCry ransomware attacks. Consequently, the operating system treats every network connection request as a potential threat until the user provides a valid username and password.