我有一个 Asp.NET Core 应用程序，没有特殊的 DataProtection 堆栈设置 - 只是 AddMvc。虽然 IISExpress/(Kestrel) 上一切正常，但在 IIS 服务器上我收到此错误：
11/23/2016 18:50:14:warn: Microsoft.AspNetCore.Session.SessionMiddleware[7]
Error unprotecting the session cookie.
System.Security.Cryptography.CryptographicException: The key {6d00462a-ba7f-4f65-bb36-711605de93f2} was not found in the key ring.
at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.UnprotectCore(Byte[] protectedData, Boolean allowOperationsOnRevokedKeys, UnprotectStatus& status)
at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.DangerousUnprotect(Byte[] protectedData, Boolean ignoreRevocationErrors, Boolean& requiresMigration, Boolean& wasRevoked)
at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.Unprotect(Byte[] protectedData)
at Microsoft.AspNetCore.Session.CookieProtection.Unprotect(IDataProtector protector, String protectedText, ILogger logger)
11/23/2016 19:27:34:warn: Microsoft.Extensions.DependencyInjection.DataProtectionServices[59]
Neither user profile nor HKLM registry available. Using an ephemeral key repository. Protected data will be unavailable when application exits.
11/23/2016 19:27:34:warn: Microsoft.AspNetCore.DataProtection.Repositories.EphemeralXmlRepository[50]
Using an in-memory repository. Keys will not be persisted to storage.
11/23/2016 19:27:34:warn: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[35]
No XML encryptor configured. Key {27c3297d-c583-4de5-b619-489bfba62407} may be persisted to storage in unencrypted form.
11/23/2016 19:27:35:warn: Microsoft.AspNetCore.Session.SessionMiddleware[7]
Error unprotecting the session cookie.
System.Security.Cryptography.CryptographicException: The key {3cbde8ae-2dba-4c84-ada3-20ba40bdff85} was not found in the key ring.
at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.UnprotectCore(Byte[] protectedData, Boolean allowOperationsOnRevokedKeys, UnprotectStatus& status)
at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.DangerousUnprotect(Byte[] protectedData, Boolean ignoreRevocationErrors, Boolean& requiresMigration, Boolean& wasRevoked)
at Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.Unprotect(Byte[] protectedData)
at Microsoft.AspNetCore.Session.CookieProtection.Unprotect(IDataProtector protector, String protectedText, ILogger logger)
仅部分用户在登录后才会发生这种情况，而不是每次都会发生。
我尝试用谷歌搜索但没有成功。
第二台服务器上的某些 IIS 配置可能有所不同吗？谢谢。
此问题源于 IIS 本身的错误，该错误可能会也可能不会
已更正。为了解决这个问题，您有必要
编辑您的应用程序池以启用用户配置文件加载。一旦你设置
您的应用程序池加载应用程序池的用户配置文件
身份，应用程序将有权读取和写入
系统注册表如预期。
原来的article https://cypressnorth.com/programming/solved-using-memory-repository-keys-will-not-persisted-storage-asp-net-core-iis/
简而言之，确保应用程序池加载用户配置文件：
下载 ps 脚本或其 .NET 模拟here https://github.com/poke/aspnet-ProvisionAutoGenKeys构建它并以管理员身份运行它，如下所示：
ProvisionAutoGenKeys.exe NetCoreAppPool
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