sapcontrol -nr <instance> -function StopService sapcontrol -nr <instance> -function StartService If sapcontrol itself can’t connect, kill the process manually:
ERROR: bind() failed (Address already in use) ERROR: Could not register service with WINS Often, the problem is transient. Restarting fixes it:
Few things are as frustrating as firing up SAP MMC or trying to start an SAP instance, only to be met with the dreaded error: “Cannot connect to service sapstartsrv.” cannot connect to service sapstartsrv
telnet localhost 50013 or
sc query sapstartsrv_<SID> or look for SAP <SID> System in Services.msc. If it’s not running
systemctl cat sapstartsrv_<SID> Common fix: restart and enable
Restart SAP <SID> System from Services.msc. -noreg -trace Check service unit file:
ps -ef | grep sapstartsrv systemctl status sapstartsrv_<SID> If it’s not running, start it manually:
sapstartsrv.exe -regsvc -p <profile> -noreg -trace Check service unit file: