????????????????os:windows 2003
????loadruner?汾??LoadRunner11
????loadrunnerЭ?飺SMTPЭ??
????????????200
?????????????????27??
????????????
????error -86401 Failed to connceted xxx.xxx.xxx.xxx:25
?????????????
??????????27???????????????
??????????????????????????????????????????????????????????????????汾??????????????????????????????????????
?????????
????????TCP?????????????????????????
?????????????
???????????
????windows 2003??tcp?????????????????????????????????????????????????????????
????????tcp??????????????????￡?
????reg add "HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters" /v "MaxUserPort" /d "65534" /t REG_DWORD /f
????reg add "HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters" /v "TcpTimedWaitDelay" /d "30" /t REG_DWORD /f
????reg add "HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParameters" /v "TcpNumConnections" /d "65534" /t REG_DWORD /f
????win2003????????LR???????MaxUserPort?????65534??TcpTimedWaitDelay?????30????????TcpNumConnections
????????????
??????Windows??????????????￡?????????????????????ü????Vuser???????????CPU???????????????????????漲??????? ??????????????????Windows?????????????Windows???????Windows XP Professional?????
????(1)?????????????????HKEY_LOCAL_MACHINE?е????й?????SystemCurrentControlSetControlSession ManagerSubSystems??
????(2)???Windows??????Windows??????????????
????%SystemRoot%system32csrss.exe bjectDirectory=Windows
????SharedSection=1024??3072??512 Windows=On SubSystemType=Windows ServerDll=basesrv??1
????ServerDll=winsrv:UserServerDllInitialization??3 ServerDll=winsrv:ConServerDllInitialization??2
????ProfileControl=Off MaxRequestThreads=16
????SharedSection=1024??3072??512?????????xxxx??yyyy??zzz?????У?xxxx??????????Χ?????(??KB???λ)??yyyy??????????????С??
????(3)??yyyy???????3072?????8192(??8MB)??????SharedSection???????
?????????????????????????????????????????????????Ч???????LR?????