Install OEM 12c fails on "start oracle management service". win2008

Question

Windows Server 2008 R2 Enterprise SP1 x64
Oracle Database 11g release 11.2.0.3.0
I install OEM 12c(12.1.0.3) following this manual: Installing Enterprise Manager System
before start i've installed WebLogic Server 10.3.6 and aplied 2 patches specified in this manual
installation type is advanced, small, so i have created database from the appropriate template
i also installed cygwin and started ssh-service
the installation of OEM process fails on 73% "start oracle management service" with this message:
INFO: oracle.sysman.top.oms:Starting OMS ...
INFO: oracle.sysman.top.oms:Executing command: cmd /c set NEED_EXIT_CODE=1&&C:\Oracle\Middleware\oms\bin\emctl.bat start oms
INFO: oracle.sysman.top.oms:Oracle Enterprise Manager Cloud Control 12c Release 3 
INFO: oracle.sysman.top.oms:Copyright (c) 1996, 2013 Oracle Corporation.  All rights reserved.
INFO: oracle.sysman.top.oms:Windows service OracleManagementServer_EMGC_OMS1_1 failed to be started
INFO: oracle.sysman.top.oms:Oracle Management Server is Down
INFO: oracle.sysman.top.oms:Please check C:/Oracle/gc_inst/em/EMGC_OMS1\sysman\log\emctl.log for error details
SEVERE: oracle.sysman.top.oms:Starting of OMS failed.
in C:/Oracle/gc_inst/em/EMGC_OMS1\sysman\log\emctl.log i got this:
2013-09-06 12:24:27,012 [main] ERROR commands.BaseCommand logAndPrint.620 - Oracle Management Server Could Not Be Started
Check EM Server log file for details: C:\Oracle\gc_inst\user_projects\domains\GCDomain\servers\EMGC_OMS1\logs\EMGC_OMS1.out
2013-09-06 12:24:27,012 [main] INFO  commands.StartCommand startOMS.337 - startOMS finished with result: 1
2013-09-06 12:24:30,974 [main] INFO  commands.StartCommand startOMS.371 - net start return code is 2
2013-09-06 12:24:30,974 [main] ERROR commands.BaseCommand logAndPrint.620 - Windows service OracleManagementServer_EMGC_OMS1_1 failed to be started
2013-09-06 12:24:34,094 [main] INFO  commands.BaseCommand printMessage.404 - statusOMS finished with result: 8
2013-09-06 12:24:34,094 [main] ERROR commands.BaseCommand logAndPrint.620 - Please check C:/Oracle/gc_inst/em/EMGC_OMS1\sysman\log\emctl.log for error details
and in C:\Oracle\gc_inst\user_projects\domains\GCDomain\servers\EMGC_OMS1\logs\EMGC_OMS1.out this:
<06.09.2013 12:24:01 ICT> <Info> <WebLogicServer> <BEA-000377> <Starting WebLogic Server with Java HotSpot(TM) 64-Bit Server VM Version 23.25-b01 from Oracle Corporation>
<06.09.2013 12:24:01 ICT> <Info> <Management> <BEA-141107> <Version: WebLogic Server Temporary Patch for 13349651 Thu May 24 10:18:28 IST 2012
WebLogic Server Temporary Patch for BUG14482558 Fri Jan 11 11:20:16 IST 2013
WebLogic Server 10.3.6.0  Tue Nov 15 08:52:36 PST 2011 1441050 >
<06.09.2013 12:24:03 ICT> <Info> <Security> <BEA-090065> <Getting boot identity from user.>
Enter username to boot WebLogic server:Error: Failed to get value from Standard Input
Enter password to boot WebLogic server:
<06.09.2013 12:24:04 ICT> <Critical> <WebLogicServer> <BEA-000362> <Server failed. Reason:
There are 1 nested errors:
weblogic.management.ManagementException: Booting as admin server, but servername, EMGC_OMS1, does not match the admin server name, EMGC_ADMINSERVER
     at weblogic.management.provider.internal.RuntimeAccessService.start(RuntimeAccessService.java:67)
     at weblogic.t3.srvr.ServerServicesManager.startService(ServerServicesManager.java:461)
     at weblogic.t3.srvr.ServerServicesManager.startInStandbyState(ServerServicesManager.java:166)
     at weblogic.t3.srvr.T3Srvr.initializeStandby(T3Srvr.java:881)
     at weblogic.t3.srvr.T3Srvr.startup(T3Srvr.java:568)
     at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:469)
     at weblogic.Server.main(Server.java:71)
>
<06.09.2013 12:24:04 ICT> <Notice> <WebLogicServer> <BEA-000365> <Server state changed to FAILED>
wlst:
wls:/offline>
what I did wrong? how to start WLS server?

Answer 1

Hi,
First of all with EM 12.1.0.x any version you are not required to install wls separately, we have single installer for em and wls. Is there any specific reason you installer wls separately?
Coming back to your issue: can you check
%OMS_HOME%\BIN>emctl istart oms completes successfully.
%OMS_HOME%\BIN>emctl istop oms completes successfully.
Also open an SR with Oracle support and share the number. We should debug such issue through SR so that we can share logs and come find a root cause.