I have SCCM 2012 but I can't install Cleints on Server 2003. I have not problem to install client on XP,Win7, server 2008.
Cleint doesn't have firewall
My CCM log is saying
======>Begin Processing request: "2097152351", machine name: "SERVER-1" SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
Execute query exec [sp_IsMPAvailable] N'SYD' SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
---> Trying the 'best-shot' account which worked for previous CCRs (index = 0x0)SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
---> Attempting to connect to administrative share '\\SERVER-1\admin$' using account 'nps\sccmadministrator' SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
---> The 'best-shot' account has now succeeded 36 times and failed 0 times. SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
---> Connected to administrative share on machine SERVER-1 using account 'nps\sccmadministrator' SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
---> Attempting to make IPC connection to share <\\SERVER-1\IPC$> SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
---> Searching for SMSClientInstall.* under '\\SERVER-1\admin$\' SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
---> System OS version string "5.2.3790" converted to 5.20 SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
---> Service Pack version from machine "SERVER-1" is 2 SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
CWmi::Connect(): ConnectServer(Namespace) failed. - 0x8004100e SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
---> Unable to connect to WMI (root\ccm) on remote machine "SERVER-1", error = 0x8004100e. SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
---> Creating \ VerifyingCopying exsistance of destination directory \\SERVER-1\admin$\ccmsetup. SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
---> Copying client files to \\SERVER-1\admin$\ccmsetup. SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
---> Copying file "E:\Program Files\Microsoft Configuration Manager\bin\I386\MobileClient.tcf" to "MobileClient.tcf" SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
---> Copying file "E:\Program Files\Microsoft Configuration Manager\bin\I386\ccmsetup.exe" to "ccmsetup.exe" SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
---> Updated service "ccmsetup" on machine "SERVER-1". SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
---> Started service "ccmsetup" on machine "SERVER-1". SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
---> Deleting SMS Client Install Lock File '\\SERVER-1\admin$\SMSClientInstall.SYD' SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
Execute query exec [sp_CP_SetLastErrorCode] 2097152351, 0 SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
---> Completed request "2097152351", machine name "SERVER-1". SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
Deleted request "2097152351", machine name "SERVER-1" SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)
Execute query exec [sp_CP_SetPushRequestMachineStatus] 2097152351, 4 SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
Execute query exec [sp_CP_SetLatest] 2097152351, N'07/11/2013 02:09:37', 10 SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM5712 (0x1650)
<======End request: "2097152351", machine name: "SERVER-1". SMS_CLIENT_CONFIG_MANAGER 11/07/2013 12:09:37 PM 5712 (0x1650)