refresh interval for GPMC-优快云博客

本文详细介绍了使用GPMC编辑修改组策略对象（GPO）后，系统并不会立即生效的原因，解释了后台更新机制及其时间间隔（控制器为5分钟，机器为90分钟），并提供了修改刷新间隔的官方指南。此外，文章还分享了如何通过调整配置来优化GPO的更新过程。

用GPMC编辑修改某个group policy后，并不会马上启作用，原因是修改值是在background进行更新的。一般来讲对于controler是5分钟，到机器上是90分钟。可以修改refresh interval,但是不建议。修改方法官方是http://support.microsoft.com/kb/203607

Log on to the Windows 2000-based computer as an administrator.
Click Start, click Run, type gpedit.msc, and then click OK.
Double-click Computer Configuration, and then double-click Administrative Templates.
Double-click System, and then double-click Group Policy to display the group policies.
Depending on the type of computer from which you making this change, double-click Group Policy refresh interval for computers to make this change for workstations or for member servers. Or, double-click Group Policy refresh interval for domain controllers.
Click Enable in Group Policy refresh interval for computers so that you can modify the refresh and offset intervals settings on the Policy tab. Optionally, the administrator can enable Disable background refresh of group policy.
Click OK, and then close the Computer Management snap-in.