For domain migration, a complete set of information is necessary. Failure to do so may affect domain-related service.

客户须填上所有资料，否则和域名有关之服务将受影响。

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Use the two V4 migration tools, WASPreUpgrade and WASPostUpgrade, from a command window to migrate your applications and domain configuration after V4 is installed.

使用两个V4迁移工具，WASpreUpgrade和WASpostUpgrade，在V4安装完之后，在命令窗口中迁移您的应用程序和域配置。

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Some time before the migration, make sure you lower the TTL of your domain name records to 5 minutes.

在迁移之前的某个时间，确保将您的域名记录的TTL降低到5分钟。

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