I get this error in my CCM.log after trying to install on a client server 2003 sp2.
---> Connected to administrative share on machine LCAPP22.lc100.net using account 'lcdom100\XXXXXX' SMS_CLIENT_CONFIG_MANAGER 11/26/2007 1:43:01 PM 7856 (0x1EB0)
---> Searching for SMSClientInstall.* under '\\LCAPP22.lc100.net\admin$\' SMS_CLIENT_CONFIG_MANAGER 11/26/2007 1:43:01 PM 7856 (0x1EB0)
CWmi::Connect(): ConnectServer(Namespace) failed. - 0x80070005 SMS_CLIENT_CONFIG_MANAGER 11/26/2007 1:43:01 PM 7856 (0x1EB0)
---> Unable to connect to WMI on remote machine"LCAPP22", error = 0x80070005. SMS_CLIENT_CONFIG_MANAGER 11/26/2007 1:43:01 PM 7856 (0x1EB0)
---> Deleting SMS Client Install Lock File '\\LCAPP22.lc100.net\admin$\SMSClientInstall.R01' SMS_CLIENT_CONFIG_MANAGER 11/26/2007 1:43:01 PM 7856 (0x1EB0)