ping xxx.xxx.xxx.xxx Test-NetConnection -ComputerName xxx.xxx.xxx.xxx -Port 445
O Windows 11 exige SMB2 no mínimo
Get-SmbServerConfiguration | Select EnableSMB1Protocol, EnableSMB2Protocol
Get-SmbClientConfiguration | Select EnableBandwidthThrottling, RequireSecuritySignature
Se RequireSecuritySignature estiver True, pode bloquear conexões com FreeNAS mais antigo. Para desabilitar temporariamente (como teste):
Set-SmbClientConfiguration -RequireSecuritySignature $false