SYMPTOM GUIDE

Shared folder, SMB and Remote Desktop connection errors

Diagnose inaccessible shared folders, rejected credentials and Remote Desktop connections. Match the authentication method, network path and remote computer requirements.

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Record the remote computer name and complete error.
Confirm the network or VPN needed to reach it.
Check access permissions before changing security settings.

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Guides for this symptom 4

General troubleshooting guides are distinct from reports of a known issue affecting a specific version. Check the conditions in each article.

▦Windows SMB clientTroubleshooting guide

An SMB share repeatedly asks for credentials or returns access denied

An SMB share repeatedly asks for credentials or returns access denied.

Windows 11 (confirm the edition and hardware requirements for the feature)0x80070035

Checked 2026.09.05Read guide ↗

▦Windows network discoveryTroubleshooting guide

Shared computers do not appear under Network in File Explorer

Shared computers do not appear under Network in File Explorer.

Windows 11 (confirm the edition and hardware requirements for the feature)SMB

Checked 2026.09.05Read guide ↗

▦Remote DesktopTroubleshooting guide

Remote Desktop NLA rejects credentials

Remote Desktop NLA rejects credentials.

Windows 11 (confirm the edition and hardware requirements for the feature)NLA

Checked 2026.09.05Read guide ↗

▦Remote DesktopTroubleshooting guide

Remote Desktop is not listening on TCP port 3389

Remote Desktop is not listening on TCP port 3389.

Windows 11 (confirm the edition and hardware requirements for the feature)0x204

Checked 2026.09.05Read guide ↗

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