As StarWind syncrhonises between several nodes it may be interesting to tune your configuration to make this sync happen quickly here are some interesting command to execute on all your StarWind replications hosts.
netsh int ipv4 set subinterface interface="You local interface" mtu=9000 store=persistent
netsh int tcp set global dca=enabled
netsh int tcp set global chimney=enabled
netsh int tcp set global rss=enabled
netsh int tcp set global ecncapability=enabled
netsh int tcp set global congestionprovider=ctcp
netsh int tcp set global autotuninglevel=normal
netsh int tcp set heuristics disabled
Disable ip V6
reg add hklm\system\currentcontrolset\services\tcpip6\parameters /v DisabledComponents /t REG_DWORD /d 255