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Smbup error reset12/20/2023 The information about this service is stored in the following registry location:Ĭomputer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation Is it safe to disable the Lanman workstation service? Similarly, the LanmanWorkstation service on your computer makes sure that it can utilize SMB shares and shared printers from remote computers or servers. Disabling this service will not affect your ability to use the Internet. Restart your computer after running this command, and you will notice that port 445 is no longer listening. Before actually disabling it, use the following command to check whether there is any service dependent on it: Get-Service LanmanServer -DependentServicesĭisabling and stopping the LanmanServer service using PowerShell This should give you an idea of how important the LanmanServer service really is, particularly for a file server or a domain controller in Active Directory (due to the sysvol and netlogon shares).įor home users, if you're not using any file or printer sharing services, the service can be safely disabled. If you stop this service, all the sharing will stop working, and other computers will not be able to access the resources you are sharing on your computer (including folders, printers, and default admin shares). The information about the LanmanServer service is stored in the following registry location:Ĭomputer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer Is it safe to disable the Lanman server service?Īs discussed above, the LanmanServer service is important for your computer to be able to host SMB shares. Viewing all the shares on your computer using PowerShell You can check the status of both services using the Get-Service Lanman* PowerShell command. Every Windows computer, whether it is running a server OS (like Server 2016 or Server 2019) or a client OS (like Windows 10 or Windows 11), has both the LanmanServer and LanmanWorkstation services. Understanding SMB protocol servicesĪs a client–server protocol, SMB requires a server service ( LanmanServer) and a client service ( LanmanWorkstation). Supports AES-256-GCM and AES-256-CCM encryption, SMB direct with encryption, Supports SMB over QUICĪs you can see in the table, Windows 11 and Windows Server 2022 still use the SMB 3.1.1 dialect which has few new features and security enhancements. Supports AES-128-GCM and AES-128-CCM encryption, supports directory caching, supports pre-authentication integrity checks to mitigate MITM attacks Performance improvements, ability to disable CIFS/SMB 1.0 for increased security Minor performance improvements, Opportunistic locking, Significant MTU supportĮnd-to-end encryption, SMB transparent failover, SMB direct, SMB multichannel, SMB scale out Reduced protocol chattiness, Supports the pipelining mechanism Supports larger files, direct transport over TCP/IP Also, you need to change .x part to your local network.Extremely chatty, No encryption, Insecure If you're confused about the options, the first one is the one you should use. Note: add these to your shares with the private security turned on.ġ92.168.1.10(sec=sys,rw,no_root_squash,insecure) 192.168.1.12(sec=sys,rw,no_root_squash,insecure)ġ92.168.1.0/24(sec=sys,rw,no_root_squash,insecure) Unfortunately, as of now, Unraid does not allow you to specify a lot of settings through the gui for NFS (restrict to ip, enabling rw, insecure connections, proper permissions.etc) so you have to do it manually, which sucks a lot, but its your only option if you're running 10gbe.īelow are my extra options that I added to the NFS Unraid settings, but please chime in if you know any better as I am not exactly an expert on the subject. So for now, if you're coming here from google or just saw this thread on the forum because you searched for 'macos slow 10gbe unraid' there is nothing wrong with unraid, your setup (probably) its Apple's fault. I wish there was a way to manually update SMB on macOS like in the old days (see: ) or better yet, a proper SMB configuration natively. SMB just doesnt work on macOS as it should (especially for 10gbe, I get less than 5MBytes/sec write and 50-60 on read)Īfter switching to NFS I now get proper 800mbytes write and 1.1gbytes write (slows down gradually to 700-900mbytes) using my SSD shares I know I saw this before, and its been discussed a lot, but I just want to reiterate for those that are not aware: DO NOT use SMB for macOS using Unraid if you are on 10gbe (1gb actually works great/ok).Īfter days of testing and losing my mind over why my 10gbe isnt working to its potential (9gbytes-10gbytes) transfer rates that I was getting on Windows. PSA: Use NFS on macOS Catalina/Mojave/HighSierra for 10gbe, smb is still broken
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