"Your computer could not be joined to the domain. You have exceeded the maximum number of computer accounts you are allowed to create in this domain. Contact your system administrator to have this limit reset or increased."

用一个普通的域帐号玩私有云的时候，遇到了如下的报错。

"Your computer could not be joined to the domain. You have exceeded the maximum number of computer accounts you are allowed to create in this domain. Contact your system administrator to have this limit reset or increased."

做了点功课，发现默认情况下，普通域帐号只能加入10台电脑到域中。超过十台电脑之后，就会遇到上面的报错。

我采用的是下面的解决方法：

Method 2: Grant the "Create Computer Objects" and "Delete Computer Objects" Access Control Entries (ACEs) to the User

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   1. From the Active Directory Users and Computers snap-in, click Advanced Features on the View menu so that the Security tab is exposed when you click Properties. 
   2. Right-click the Computers container, and then click Properties.
   3. On the Security tab, click Advanced.
   4. On the Permissions tab, click Authenticated Users, and then click View/Edit.
            NOTE: If the Authenticated Users group is not listed, click Add and add it to the list of permission entries.
   5. Make sure the This object and all child objects option is displayed in the Apply onto box.
   6. From the Permissions box, click to select the Allow check box next to the Create Computer Objects and Delete Computer Objects ACEs, and then click OK.

做了如上修改之后，出问题的账号又可以继续添加其他的虚拟机到域里面了。

资料来源

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Allow ordinary users to add workstations to a domain?

https://www.experts-exchange.com/questions/23239884/Allow-ordinary-users-to-add-workstations-to-a-domain.html

Increase the number of workstations a user can join to a domain

http://www.techrepublic.com/blog/tr-dojo/increase-the-number-of-workstations-a-user-can-join-to-a-domain/