我为多个客户管理 iOS Enterprise 发行版。我们遇到了分发证书即将到期的情况，并且对证书更新的后果感到好奇。目标是保持应用程序的完整性，并且不需要重新安装应用程序。有没有办法在不影响最终用户的情况下更新证书并重新生成配置文件？
如果我续订证书并重新生成配置文件，最终用户是否需要重新安装应用程序？
谢谢，
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来自苹果企业FAQ：
Distribution provisioning profiles expire 12 months after they’re issued. Two months before expiration, the iOS device begins displaying notifications about the impending expiration. After the expiration date, the app won’t launch.
Before to a provisioning profile expires, use the iOS Development Portal to create a new profile for the app. Create a new app archive (.ipa) with the new provisioning profile, for users who are installing the app for the first time.
For users who already have the app, you may want to time your next released version so that it includes the new provisioning profile. If not, you can distribute just the new .mobileprovision file so users won’t have to install the app again. The new provisioning profile will override the one that’s already in the app archive.
来源：http ://help.apple.com/iosdeployment-apps/mac/1.1/#app43ad802c
于 2012-12-07T00:26:31.113 回答