更新 2025年二月9日
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无法连接到许可服务器

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使用当前版本的IronPdf(2024.10.x)一些客户可能会遇到以下异常错误,即使他们有活动的互联网连接:

Exception: IronPdf was unable to establish a connection to the licensing server. A valid internet connection is required for TEAM-type License Keys. In restricted environments you need to whitelist: https://licensingapimanager.azure-api.net For projects that require offline air-gapped environments with unlimited devs, projects, and locations, please consider the Unlimited Enterprise License at https://ironpdf.com/licensing/?utm_source=errormsg. For help, please reach out to us at https://ironsoftware.com

原因

根本原因是由于 IronPdf 许可服务器上的超时设置。 当连接超时时,内部进程认为连接已丢失,从而触发上述错误消息。

解决方法

目前对于此问题没有直接的解决办法。 但是,您可以尝试以下临时解决方案: