将ubuntu 16.04连接到AWS Simple AD时出错

Question

我已经在AWS中配置了一个简单的AD，并启动了Windows实例以与其连接并安装了管理工具。我可以使用admin credz登录Windows实例。但是当我尝试使用命令sudo realm join -U join_account@EXAMPLE.COM example.com --verbose加入ub​​untu实例时，出现以下错误：

将krb5.conf代码片段写入

/var/cache/realmd/adcli-krb5-f1MdbB/krb5.d/adcli-krb5-conf-
 ! Couldn't authenticate as: ubuntu@CORP.EXAMPLE.COM: Client 'ubuntu@CORP.EXAMPLE.COM' not found in Kerberos database
adcli: couldn't connect to corp.test.com domain: Couldn't authenticate as: ubuntu@CORP.EXAMPLE.COM: Client 'ubuntu@CORP.EXAMPLE.COM' not found in Kerberos database
 ! Failed to join the domain