SITSPMON - Health Check
Execute transaction SITSPMON to sort out potential problems using the Health Check tab
Are you using the latest SAP Kernel?
Are you using the latest Basis Support Package
If you believe, that all of the above are correct (i.e. latest kernel, latest handler and correct configuration), here are few special cases and troubleshooting tools:
|SPECIAL CASES:||TROUBLESHOOTING TOOLS:|