Web Dispatcher Installation Error

Hi,

I'm installing a web dispacher system on windows 2003, and encounter an error in the last step "Start SAP web dispatcher instance":

INFO 2009-04-22 17:56:12

Switched to user: dw1adm.

INFO 2009-04-22 17:56:12

Creating file C:\Program Files\sapinst_instdir\NW04S\STANDALONE\AS\WI\wdispmon.exe.log.

INFO 2009-04-22 17:56:12

Switched to user: dw1adm.

INFO 2009-04-22 17:56:12

Working directory changed to C:\Program Files\sapinst_instdir\NW04S\STANDALONE\AS\WI.

INFO 2009-04-22 17:56:12

Output of D:\usr\sap\DW1\SYS\exe\nuc\NTAMD64\wdispmon.exe pf=D:\usr\sap\DW1\SYS\profile\DW1_W00_hq-dwd-01 -ping is written to the logfile wdispmon.exe.log.

WARNING 2009-04-22 17:56:17

Execution of the command "D:\usr\sap\DW1\SYS\exe\nuc\NTAMD64\wdispmon.exe pf=D:\usr\sap\DW1\SYS\profile\DW1_W00_hq-dwd-01 -ping" finished with return code 1. Output: SAP Web Disp with pid 2580 is in status: ICM_STATUS_INITERROR: SAP Web Disp with pid 2580 not reached on admin port 65000

ERROR 2009-04-22 17:56:17

CJS-30086 Instance DW1/W00 [STOP] did not start after 5:00 minutes. Giving up.

ERROR 2009-04-22 17:56:17

FCO-00011 The step start with step key |NW_Webdispatcher|ind|ind|ind|ind|0|0|NW_Webdispatcher_Instance|ind|ind|ind|ind|7|0|start was executed with status ERROR .

Any suggestion would be appreciated.

Thanks!

Joseph