MMC start Error

At MMC start i am getting below error
cannot connect to sapservice on host.the service did not start due to logon failure. ????


Ans )

1. Check your developer traces you can also start SAP System by using this command Startsap instanceno

2. Check the dev_w0 log in \usr\sap\sid\dvebmgsinstanceno\dev_wo

3.

Please check the following
1.Specify host name in host entry.win\system32\drivers\etc\host
2.Check \usr\sap\\DVEBMGS00\work\dev_disp,
3.Check \usr\sap\\DVEBMGS00\work\dev_ms
4.Check \usr\sap\\DVEBMGS00\work\dev_w0
5.Execute r3trans -d to check whether your DB is Connected
6.Check alrt.log in saptrace\background directory
7.Check the listener status by using lsnrctl>status and start the listener
8.Try to ping to your server
9.start your system with MMC.