谈到自助门户，不得不提到一个概念——租户。云计算的四个基本特点中，有一个特点就是多租户租赁特点，随量使用。
而租赁中的一个重要的概念就是多租户，多租户在System Center中主要依靠的是SCAP+SCVMM实现，在VMware中靠的是VMware vSphere vCenter+VMware vCloud Director，开源的是利用OpenStack，今天我们就来介绍下如何在SCAP中建立租户（涉及服务器如下图：紫色为完成施工，蓝色为计划中，紫色为施工中）。
1、 在DC01中创建用户组PCloudGroup，与PCUser1、PCUser2并将User1、2加入PCloudGroup，方便以后做策略授权：
2、 登录SCVMM01打开SCVMM控制台，然后点击设置，展开安全性——用户：
3、 点击左上角创建用户角色，输入第一个用户，只能看不能做配置（或者说作为最低订阅级别）：
4、 用户配置文件选择为第四项应用程序管理员：
5、 选择PCUser1：
6、 选择我们在SCVMM篇中创建的云（当然你也可以针对不同的用户分配不同的云）：
7、 我们对该成员进行配置限制：
8、 添加租户所用的网络：
9、 资源我们选择之前创建VM模板，不选择Web模板：
10、 权限我们选择部署虚拟机、存储虚拟机、启动虚拟机：
11、 运行方式我们选择SCAP：
12、 在摘要页上可以看到我们设置配额项：
PS：为方便交流，VMCloudQQ群已开通，欢迎各位探讨任何关于虚拟化或云方面的技术，特别欢迎干货入驻！VMCloud群号：237241754(建议实名制，以方便群内猎头寻猎)
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