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Question

今天，我试图登录OWA ()帐户，并收到以下错误。我试图启动远程桌面连接来重新启动服务，但是我做不到(我有黑屏幕)，唯一能做的就是物理地重置我的服务器。这种情况每20天发生一次，我不知道为什么！

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Request
Url: https:owa/default.aspx
User host address: 

Exception
Exception type: Microsoft.Exchange.Data.Storage.StorageTransientException
Exception message: There was a problem accessing Active Directory.

Call stack
Microsoft.Exchange.Data.Storage.ExchangePrincipal.FromUserSid(ADRecipientSession recipientSession, SecurityIdentifier userSid)
Microsoft.Exchange.Clients.Owa.Core.OwaWindowsIdentity.CreateExchangePrincipal()
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.GetExchangePrincipal(OwaContext owaContext, ExchangePrincipal& exchangePrincipal)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.PrepareRequestWithoutSession(OwaContext owaContext, UserContextCookie userContextCookie)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.InternalDispatchRequest(OwaContext owaContext)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.DispatchRequest(OwaContext owaContext)
System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Inner Exception
Exception type: Microsoft.Exchange.Data.Directory.ADTransientException
Exception message: Could not find any available Global Catalog in forest xxxx

Call stack
Microsoft.Exchange.Data.Directory.ConnectionPoolManager.GetConnection(ConnectionType connectionType, ADObjectId domain, String serverName, Int32 port, NetworkCredential credential)
Microsoft.Exchange.Data.Directory.ConnectionPoolManager.GetConnection(ConnectionType connectionType)
Microsoft.Exchange.Data.Directory.ADSession.GetConnection(String preferredServer, Boolean isWriteOperation, Boolean isNotifyOperation, ADObjectId& rootId)
Microsoft.Exchange.Data.Directory.ADSession.GetReadConnection(String preferredServer, ADObjectId& rootId)
Microsoft.Exchange.Data.Directory.ADSession.Find(ADObjectId rootId, String optionalBaseDN, ADObjectId readId, QueryScope scope, QueryFilter filter, SortBy sortBy, Int32 maxResults, IEnumerable`1 properties, CreateObjectDelegate objectCreator, CreateObjectsDelegate arrayCreator)
Microsoft.Exchange.Data.Directory.ADSession.Find(ADObjectId rootId, QueryScope scope, QueryFilter filter, SortBy sortBy, Int32 maxResults, IEnumerable`1 properties, CreateObjectDelegate objectCtor, CreateObjectsDelegate arrayCtor)
Microsoft.Exchange.Data.Directory.ADSession.Find[TResult](ADObjectId rootId, QueryScope scope, QueryFilter filter, SortBy sortBy, Int32 maxResults, IEnumerable`1 properties)
Microsoft.Exchange.Data.Directory.Recipient.ADRecipientSession.FindBySid(SecurityIdentifier sId)
Microsoft.Exchange.Data.Storage.ExchangePrincipal.FromUserSid(ADRecipientSession recipientSession, SecurityIdentifier userSid)

Answer 1

相关的一行是：

Exception message: Could not find any available Global Catalog in forest xxxx.

与RDP上的黑屏幕相结合，这表明了潜在的RPC (或更广泛的联网)问题。检查您的日志--在服务器停止工作之前的时间内，事件查看器中是否出现了任何内容？

编辑:根据您的评论，您正在失去与域控制器的连接。(我假设这里有一个--如果你有多个，你就不会和他们中的任何一个说话。)这解释了无法获得邮件，以及黑色的RDP屏幕(它启动会话，然后尝试验证和挂起)。但是，使用本地帐户登录邮件服务器应该有效。)

找出在这个20天周期内域控制器上发生了什么。这也可能是一个网络问题。如果您没有看到任何关于服务出现故障或内存不足的错误，那么在邮件服务器上出现问题的可能性就更小了。这些都是短暂的错误，所以如果您修复了根本问题，Exchange应该会立即恢复。