ERROR => Can't create to administration shared memory - Solution

Solution
The reason for this error message is an already existing shared memory segment with wrong size. In this case:

1. Stop the J2EE instance.
2. Go to the os_libs directory of the J2EE instance.
3. To invoke the shared memory cleanup, execute:
4. jcontrol pf=<SAP instance profile> -c
5. Restart the J2EE instance.

tags: sap, shared memory, jcmon, cleanup,