sapcontrol -host <hostname> -nr <nr> -function GetProcessList If that works but -host localhost fails, check your /etc/hosts (Linux) or C:\Windows\System32\drivers\etc\hosts (Windows). Navigate to: C:\usr\sap\<SID>\SYS\profile\ Open START_<SID>_<inst>_<host> and ensure SAPLOCALHOST is correct.
ps -ef | grep sapstartsrv systemctl status sapstartsrv_<SID> If it’s not running, start it manually:
sapcontrol -nr <instance> -function StartService sapstartsrv listens on port 5<instance>13 (e.g., instance 00 → port 50013). Test connectivity: cannot connect to service sapstartsrv
sc query sapstartsrv_<SID> or look for SAP <SID> System in Services.msc.
This message essentially means the SAP Management Console (or a related tool) can’t communicate with the sapstartsrv process—the service responsible for starting, stopping, and monitoring SAP instances on Windows or Linux. Without it, you’re locked out of basic control functions. Few things are as frustrating as firing up
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.”
systemctl cat sapstartsrv_<SID> Common fix: restart and enable Test connectivity: sc query sapstartsrv_<
telnet localhost 50013 or
Here’s a blog post tailored for SAP administrators and technical users. It’s written to be clear, actionable, and search-engine friendly. Troubleshooting “Cannot Connect to Service sapstartsrv” – A Practical Guide