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happyshow's avatar
happyshow
Copper Contributor
Apr 22, 2020
Solved

Cannot access anonymous file shares after updating to Insider Preview 2004

The screen shot of my problem and specific build are attached. I updated my desktop pc to the Insider pre-release for Windows 10 2004 and now I cannot access anonymous file shares any more. Before th...
windows 10
  • happyshow's avatar
    happyshow
    Apr 27, 2020

    I ended wiping my PC clean and performing a clean reinstall of Windows 10. I'm not enrolling in the Insider program any more with potential bugs like that. I tried at least.

Jegue's avatar
Jegue
Copper Contributor
Aug 19, 2020

happyshow 

 

 

Ok this fixes the problem...

 

 

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters] "AllowInsecureGuestAuth"=dword:1

 

 
The gp setting does nothing.
  • Bolter's avatar
    Bolter
    Copper Contributor
    Aug 19, 2020

    Jegue 

     

    Tried your suggestion but didn't work.

    I had it working for 1 day after updating to 2004 by changing group policy 'Enable insecure guest logons' to 'enabled'.

    But after reboot, it no longer works. Tried the reg parameter fix you suggested as it didn't exist in registry, but still doesn't work.

    • InterClaw's avatar
      InterClaw
      Copper Contributor
      Aug 20, 2020

      Bolter 

      Might be that the key is incomplete. Did you mean that you didn't have the key at all? Or just missing that value in the key?

       

      I have this in my reg file for this:

       

      [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters]
      "EnablePlainTextPassword"=dword:00000000
      "EnableSecuritySignature"=dword:00000001
      "RequireSecuritySignature"=dword:00000000
      "ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,\
      00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,\
      77,00,6b,00,73,00,73,00,76,00,63,00,2e,00,64,00,6c,00,6c,00,00,00
      "ServiceDllUnloadOnStop"=dword:00000001
      "AllowInsecureGuestAuth"=dword:00000001
      "SMB1NATCompatibilityLevel"=dword:00000001

      • Bolter's avatar
        Bolter
        Copper Contributor
        Aug 20, 2020

        InterClaw 

         

        That's correct, I didn't have that key at all and I also do not have have the key you show "SMB1NATCompatibilityLevel"=dword:00000001" could this be my problem?

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