SAP系统不能正常启动问题分析

Avariety of causes can cause the SAP system not to start correctly. To analyze the problem, proceed as follows:

• Check the error messages and warnings in the Event Viewer. Check that the service  SAP<SID>_<InstanceNumber>(such as SAPDEV_00)was started. To do this,go to the Services window(Start→Programs→Administrative Tools → Services).  
• Check the status of there spective database system using the error log files. For more information about this,see the lesson: Appendix-Database Logs.  Check the start login the MMC. To do this, select the affected instance and choose All Tasks→View Developer Traces in the context menu.  
• Check the error files stderr<n>that were created by SAP Service.  
• Check the trace files of the individual SAP work processes:  
dev_ms : Developer trace for the message server  
dev_rd : Developer trace for the gateway  
dev_disp : Developer trace for the dispatcher  
dev_w<m> (m is the work process number): Developer trace for the work process 
           

If you can still logon to the SAP system,check the system log of the SAP system using transaction SM21.