Connect to WebDAV shared folders on QNAP NAS from Windows 7

Last modified date: 2018-11-22

Due to Windows 7 security enforcement, users cannot connect to WebDAV folders from Windows 7 by default. Select one of the following methods when connecting to a WebDAV shared folder on a QNAP NAS from Windows 7.

Decrease the security level on Windows 7.
Use a fully trusted SSL connection.

Decrease the security level on Windows 7

Open the registry editor.
1. Go to Start > Run.
2. Enter regedit.
3. Click OK.
4. Click Yes if the User Account Control window opens.
  The Registry editor opens.
Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlset\services\WebClient\Parameters.
Select BasicAuthLevel.
Change the value to 2.
Restart the computer.
Connect to the WebDAV folders from Windows 7.

Use a fully trusted SSL connection

You can connect to WebDAV folders with a fully trusted SSL connection. The following are required:

Enable secure connections on the NAS.
1. Log in to QTS.
2. Go to Control Panel > Applications > Web Server.
3. Select Enable Web Server.
4. Select Enable Secure Connection (HTTPS).
5. Optional: Enter a new port number.
6. Click Apply.
Import an existing SSL certificate.
1. Go to Control Panel > System > Security > Certificate & Private Key.
2. Click Replace Certificate.
  The Replace Certificate window opens.
3. Select Import Certificate.
4. Click Next.
5. Import the Certificate.
6. Import the Private Key .
7. Click Apply.

Notes

The NAS must use an SSL certificate issued by a Trusted Root Certificate Authority.
The SSL certificate must use the same name as the Fully Qualified Domain Name (FQDN) used to connect to the NAS.
The WebDAV folders use the same FQDN name when connecting.

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