#Windows SMB Server

The following workaround may be helpful in your situation. In all cases, Microsoft strongly recommends that you install the updates for this vulnerability as soon as they become available even if you plan to leave this workaround in place: **Disable SMBv3 compression** You can disable compression to block authenticated attackers from exploiting the vulnerability against an **SMBv3 Server** with the PowerShell command below. Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" DisableCompression -Type DWORD -Value 1 -Force **Notes:** 1. No reboot is needed after making the change. 2. **This workaround does not prevent exploitation of SMB clients; please see item 2 under FAQ to protect clients.** You can disable the workaround with the PowerShell command below. Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" DisableCompression -Type DWORD -Value 0 -Force **Note:** No reboot is needed ...

The following workaround may be helpful in your situation. In all cases, Microsoft strongly recommends that you install the updates for this vulnerability as soon as they become available even if you plan to leave this workaround in place: **Disable SMBv3 compression** You can disable compression to block authenticated attackers from exploiting the vulnerability against an **SMBv3 Server** with the PowerShell command below. Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" DisableCompression -Type DWORD -Value 1 -Force **Notes:** 1. No reboot is needed after making the change. 2. **This workaround does not prevent exploitation of SMB clients; please see item 2 under FAQ to protect clients.** You can disable the workaround with the PowerShell command below. Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" DisableCompression -Type DWORD -Value 0 -Force **Note:** No reboot is needed ...