我们已经开发了一个支持iOS和Mac OS X的MDM服务器。因此我们能够使用我们的服务器注册iOS设备。现在我们进入Mac OS X实现。根据这个（http://training.apple.com/pdf/wp_osx_configuration_profiles_ml.pdf），Plist中的一些属性发生了变化。当我们尝试使用我们的服务器注册Mac OS X笔记本电脑时，它会执行注册，配置文件，GetCACaps和GetCACert的前四个步骤。然后在客户端发生了意外错误。这是system.log。会是什么原因？
Mar 7 12:13:21 --- last message repeated 1 time ---
Mar 7 12:13:21 chamara mdmclient[626]: *** ERROR *** [Agent:503] <: [MDM_SCEP_Enroll] Calling SCEPGetCACert. CA Ident: EnrollmentCAInstance --> <NSOSStatusErrorDomain:-25300>
Mar 7 12:13:21 chamara mdmclient[626]: *** ERROR *** [Agent:503] ExtractOTAIdentity ( <NSOSStatusErrorDomain:-25300>)
Mar 7 12:13:21 chamara mdmclient[626]: *** ERROR *** [Agent:503] ProcessOTABootstrapProfileCore ( <NSOSStatusErrorDomain:-25300>)
Mar 7 12:13:21 chamara WindowServer[95]: _CGXGetWindowOrderingGroup: Operation on a window 0x101 requiring rights 0x5 by caller System Preferences
Mar 7 12:13:21 chamara com.apple.preferences.configurationprofiles.remoteservice[625]: *** ERROR *** [CPInstallerUI:503] Profile installation ( MDM Service (com.mac.mdm.profile-service)) (<NSOSStatusErrorDomain:-25300> The operation couldn’t be completed. (OSStatus error -25300.)
UserInfo: {
CallStackSymbols = (
"0 mdmclient 0x0000000105b6ff0a mdmclient + 20234",
"1 mdmclient 0x0000000105b9a177 mdmclient + 192887",
"2 mdmclient 0x0000000105b7bf97 mdmclient + 69527",
"3 mdmclient 0x0000000105b8b9a7 mdmclient + 133543",
"4 mdmclient 0x0000000105b7e544 mdmclient + 79172",
"5 mdmclient 0x0000000105b8b80d mdmclient + 133133",
"6 mdmclient 0x0000000105b88115 mdmclient + 119061",
"7 libdispatch.dylib 0x00007fff8baa428d _dispatch_client_callout + 8",
"8 libdispatch.dylib 0x00007fff8baab3b0 _dispatch_sync_f_invoke + 39",
"9 mdmclient 0x0000000105b88045 mdmclient + 118853",
"10 mdmclient 0x0000000105b8848d mdmclient + 119949",
"11 libxpc.dylib 0x00007fff917275cc _xpc_connection_call_event_handler + 58",
"12 libxpc.dylib 0x00007fff917261df _xpc_connection_mach_event + 2124",
"13 libdispatch.dylib 0x00007fff8baa7ae2 _dispatch_client_callout4 + 9",
"14 libdispatch.dylib 0x00007fff8baa839c _dispatch_mach_msg_invoke + 143",
"15 libdispatch.dylib 0x00007fff8baa6617 _dispatch_queue_drain + 359",
"16 libdispatch.dylib 0x00007fff8baa7682 _dispatch_mach_invoke + 154",
"17 libdispatch.dylib 0x00007fff8baa5f87 _dispatch_root_queue_drain + 75",
"18 libdispatch.dylib 0x00007fff8baa7177 _dispatch_worker_thread2 + 40",
"19 libsystem_pthread.dylib 0x00007fff8b273ef8 _pthread_wqthread + 314",
"20 libsystem_pthread.dylib 0x00007fff8b276fb9 start_wqthread + 13"
);
IsInternalError = 1;
})
Mar 7 12:13:22 chama