Error message when trying to access a shared drive or folder:
“You can’t access this shared folder because your organization’s security policies block unauthenticated guest access. These policies help protect your PC from unsafe or malicious devices on the network”
Fixing this problem involves editing the Windows Registry. Be very careful when using the instructions below. Follow the instructions exactly and do not change anything else. If you don’t feel confident to continue, please seek assistance.
Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs.
Please refer to the following steps:
- Open Run command by Pressing windows + R and type regedit and hit enter to open the registry editor.
- Navigate to the following path:
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows - Expand the Windows Registry Key and search for LanmanWorkstation registry key. If you are not able to find the registry key, then you will need to create it.
- Right Click on the Windows Registry Key and Choose New > Key and name the Key as LanmanWorkstation.
- Now Click on the LanmanWorkstation Registry key and from the right-hand window right click and choose New > DWORD 32 bit Value and name it as AllowInsecureGuestAuth. Double click on the AllowInsecureGuestAuth DWORD and set the value to 1 and click OK.
- As the picture below:
- Restart the system and check that the shared file is accessible.