症状
通过 HTTP 使用 MAPI 连接到 Microsoft Exchange Server 2013年邮箱的 Microsoft Outlook 客户端将间歇性地断开连接。例如，缓存模式下用户可以看到 Outlook 状态栏上显示断开连接消息。此外，联机模式用户收到下面的错误消息，在尝试启动 Outlook 时︰
无法启动 Microsoft Outlook。无法打开 Outlook 窗口。不能打开的文件夹集。您必须连接到 Microsoft Exchange 使用当前配置文件之前，您可以用您的 Outlook 数据文件 (.ost) 同步文件夹。
此外，受影响的服务器正在运行 Exchange Server 2013年在事件查看器应用程序日志中记录以下事件︰
Log name: ApplicationID: 1309
Level: Warning
Source: ASP.NET 4.0.30319.0
Message: Event code: 3005
Event message: An unhandled exception has occurred.
Event ID: 35ca26135b3f454b900e631af67eeec8
Event sequence: 2
vent occurrence: 1
Event detail code: 0
Application information:
Application Virtual Path: /mapi/nspi
Application Path: D:\Exchange\V15\ClientAccess\mapi\nspi\
Process information:
Process ID: 5096
Process name: w3wp.exe
Account name: NT AUTHORITY\SYSTEM
Exception information:
Exception type: HttpException
Exception message: RpcObjectSetType
at System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app)
at System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers)
at System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context)
at System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context)
at System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext)
RpcObjectSetType
at Microsoft.Exchange.Rpc.RpcServerBase.ThrowRpcException(String message, Int32 rpcStatus)
at Microsoft.Exchange.Rpc.ProcessAccess.ProcessAccessRpcServer.RegisterInterface(Void* ifSpec, ValueType mgrTypeGuid, _GUID* pMgrTypeUuid, Void* pMgrEpv, UInt32 flags, UInt32 maxCalls)
at Microsoft.Exchange.Rpc.RpcServerBase.RegisterServer(Type type, ObjectSecurity sd, UInt32 desiredAccess, ValueType mgrTypeGuid, Void* mgrEpv, String annotation, Boolean isLocalOnly, Boolean autoListen, UInt32 maxCalls)
at Microsoft.Exchange.Data.ApplicationLogic.ProcessAccessManager.RegisterComponent(IDiagnosable diagnosable)Request information:
Request path: /mapi/nspi/
User:
Is authenticated: False
Authentication Type:
Thread account name: NT AUTHORITY\SYSTEM
Thread information:
Thread ID: 64
Thread account name: NT AUTHORITY\SYSTEM
Is impersonating: False
Stack trace: at System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app)
at System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers)
at System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context)
at System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context)
at System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext)
原因
MSExchangeMapiMailboxAppPool或MSExchangeMapiAddressBookAppPool应用程序池遇到未经处理的异常时，将出现此问题。
解决方案
若要解决此问题，请为 Exchange Server 2013年安装累积更新 11 。
状态
Microsoft 已经确认这是“适用于”一节中列出的 Microsoft 产品中的问题。
参考资料
了解 Microsoft 用于描述软件更新的术语。
