Problem: When starting the SAP Control Center
        X.Xservice, it takes a long time before failing, and the
        service manager displays a message that the service start-up has timed out. 
             The SCC_HOME\log\agent.log shows the failure
                message. 
         
Explanation 1:
            
            Explanation: This problem usually occurs when the
                    SAP Control Center repository database log file is out of
                sync with the repository database. A related symptom is the message SQL Login
                    Failure in the SAP Control Center repository log
                file. 
            Solution 1: Review
                    
SCC_HOME\services\Repository\scc_repository.log
                log for any issues with the database transaction log file during startup. If the
                transaction log could not be processed, the database cannot start, and consequently
                nor can the SAP Control Center service. Resolve this error by:
- Creating a backup of
                            SCC_HOME\services\Repository\scc_repository.log.
 
- Deleting the
                            SCC_HOME\services\Repository\scc_repository.log
                        file and restarting the SAP Control Center
                        service.
 
 
            Solution 2: Review
                    
SCC_HOME\services\Repository\scc_repository.log
                log for any failures in database transaction and/or recovery. Resolve this error by
                temporarily configuring the repository database (-f) to start without a transaction log:
- Log out of SAP Control Center and then shutdown
                            SAP Control Center service.
 
- Open a command prompt window, and run the following
                        command:
SCC_HOME\bin\sa\bin_windows32\dbsrv11.exe -n scc_repository -o SCC_HOME\services\Repository\scc_repository.slg -f  -m -qi -qw -sb 0 -gn 100 -gm 500 -zl -zp -x TCPIP{port=3638} SCC_HOME\services\Repository\scc_repository.db 
 
- Delete the
                            SCC_HOME\services\Repository\scc_repository.log
                        file using Windows Explorer.
 
- Restart the SAP Control Center service.
 
 
         
Explanation 2
            
            Explanation:
                The process sccservice.exe was not stopped during previous
                stops of SAP Control Center (even though the Windows Service
                    "SAP Control Center x.x.x" does not show that it is
                running).
            Solution: Use Windows Task Manager to kill the process tree of
                    sccservice.exe, then restart
                    SAP Control Center.