How to enable support for legacy file shares in Windows 10

JamieKavanagh

Commendable
Apr 19, 2016
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If you have freshly installed Windows 10 on your machine and find you can no longer access a Server 2003 file share, there could be a few reasons why that is. Let’s enable support for legacy file shares in Windows 10 and troubleshoot share issues a bit.

Enable support for legacy file shares in Windows 10
There is a known issue accessing Server 2003 and even some Server 2013 shares from new Windows 10 installs. Here’s how to fix it.

1. Type ‘regedit’ into the Search Windows box.
2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters.
3. Modify or add RequireSecureNegotiate QWORD with a value of 2 (Might be DWORD in 32-bit installs).
4. Modify or add RequireSecuritySignature QWORD with a value of 2 (Might be DWORD in 32-bit installs).
5. Reboot the computer and retry accessing the share.

Troubleshooting legacy file shares in Windows 10

While a great theory, file sharing in Windows has never been as easy as it should have been. Numerous situations can prevent you accessing shares and here are just a few.

• Incorrect or misspelt username or password – Check the accounts on both the server and guest machine and make sure both are correct.
• Guest accounts cannot access shares, so create a new account or type ‘net user guest /active:yes’ into a CMD window on the host machine.
• Make sure your firewall or security software allows connections between the host and guest and that no traffic is being stopped.
• Ensure File and Printer Sharing or File Service is running on the host machine.

Those are all the ways I know to troubleshoot legacy file sharing in Windows 10. If you know others that work, let us know below!

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How to Clean Install Windows 10 Directly without having to Upgrade First
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