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Error during db start

Former Member
0 Kudos

Hello Markus,

I have been trying to run EC01 transaction since 3 days, but it hung often so i decided to run SGEN in my dev system. It never happened so i started for particular component only. Finally it got over, after that i am not able to start my SAPDB. I got an error like that

-24994 Runtime Environment error [sql_connect... ];1, cannot connect communication semaphore

it is very urgent please help me

Danke

Regards,

Sankar.G

Accepted Solutions (0)

Answers (2)

Answers (2)

lbreddemann
Active Contributor
0 Kudos

Hi Sankar,

usually problem like this ("cannot connect communication semaphore") are the result of very "unclean" shutdowns.

Please try to shutdown the database instance via db_offline.

After that issue a db_clear to cleanup all shared memory segment, ipc-resources etc.

Try to startup afterwards again.

If this still not helps: open a SAP Support message for this.

KR Lars

markus_doehr2
Active Contributor
0 Kudos

If something is "very urgent" one should use the official support channels (service marketplace).

What operating system are you using?

--

Markus