Windows network share not accessible

Problem summary

A Windows share usually fails because the PC is on the wrong network profile, credentials changed, discovery is off, or the share path moved.

When to worry

• Backups or file sync jobs fail because a share is unavailable.
• One PC can access the share but another cannot.
• Access stopped after a Windows update, router change, or password change.

Fast checks

• Confirm both devices are on the same trusted home network.
• Check whether the network profile is private, not public, on the sharing PC.
• Try the direct path using the computer name or local IP.
• Restart the sharing PC once before changing permissions.

Likely causes

• Network discovery or file sharing is disabled.
• Saved credentials are stale.
• The share name or folder permissions changed.
• The PC's local IP or name changed after router replacement.

Step-by-step fix

1. 1Verify the share still exists on the host PC.
2. 2Set the home network profile to private where appropriate.
3. 3Remove stale saved credentials and reconnect with the current account.
4. 4Use a reserved IP or stable computer name for devices that depend on the share.
5. 5Test read/write access with a harmless temporary file before relying on backups.

What not to do

• Do not enable anonymous sharing to fix a credential issue.
• Do not open Windows file sharing to the public internet.
• Do not loosen permissions on sensitive folders without understanding who can access them.

When to stop/get help

• Stop if the device is work-managed or domain-joined.
• Stop if you cannot identify which account should have access.
• Get help before changing firewall, SMB, or advanced sharing settings broadly.

Related tool/checklist

Use the linked tool when you need a guided plan from your exact symptoms instead of a static checklist.

Related problems

Last reviewed

2026-05-06

Sources/assumptions

• Assumes a trusted private home LAN and Windows file sharing.
• Business domains, VPNs, and managed devices may enforce different policies.