Afaria MDM服务器enroll iPad失败 The SCEP server configuration is not supported

在注册Profile的时候失败，提示

中文：不支持SCEP服务器配置
英文：The SCEP server configuration is not supported

用iTools工具连线查看iPad日志：

Oct 16 07:41:35 iPad profiled[585] <Notice>: (Note ) MC: Checking for MDM installation...
Oct 16 07:41:35 iPad profiled[585] <Notice>: (Note ) MC: ...finished checking for MDM installation.
Oct 16 07:41:36 iPad profiled[585] <Notice>: (Note ) MC: Enrolling in OTA Profile service...
Oct 16 07:41:36 iPad lockdownd[26] <Error>: libMobileGestalt computeUniqueDeviceID: total time for bb to return imei: 0
Oct 16 07:42:11 iPad profiled[585] <Notice>: (Error) MC: Cannot retrieve SCEP identity: NSError:
Desc   : The SCEP server configuration is not supported.
US Desc: The SCEP server configuration is not supported.
Domain : MCSCEPErrorDomain
Code   : 22004
Type   : MCFatalError

解决办法：

查看Afaria管理控制台上CA服务器的配置：

特别是配置页面最底下的Connectivity Test一定要是Passed

参考：另外一种可能

iOS MDM Profile is unable to be installed - errors point to a SCEP Server invalid response
http://www.symantec.com/business/support/index?page=content&pmv=print&impressions=&viewlocale=&id=TECH178368