错误信息如下：
at SystemUserService.FindResultInDC(List`1 dcCol, String accountName)
at SystemUserService.QueryDomainControllers(Domain currentDomain, String accountName)
at SystemUserService.GetCaseSafeName(String domain, String accountName)
at SystemUserService.GetCaseSafeName(String name)
at SystemUserService.TryCheckPrivilege(PrivilegeOnPremise privilege, String systemUserName)
at PluginValidatorBase.HasManagePluginPrivilege()
at IsolationValidator.ValidateInternal()
at PluginValidatorBase.Validate()
at PluginAssemblyServiceInternal`1.AllowAssemblyRegistration(IBusinessEntity pluginAssembly, ExecutionContext context)
at PluginAssemblyServiceInternal`1.VerifyRegistrationAbility(IBusinessEntity pluginAssembly, Boolean createCall, ExecutionContext context)
at SdkEntityServiceBase.CreateInternal(IBusinessEntity entity, ExecutionContext context, Boolean verifyAction)
at RuntimeMethodHandle._InvokeMethodFast(IRuntimeMethodInfo method, Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeType typeOwner)
at RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
at RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at LogicalMethodInfo.Invoke(Object target, Object[] values)
at InternalOperationPlugin.Execute(IServiceProvider serviceProvider)
at V5PluginProxyStep.ExecuteInternal(PipelineExecutionContext context)
at VersionedPluginProxyStepBase.Execute(PipelineExecutionContext context)
at Pipeline.Execute(PipelineExecutionContext context)
at MessageProcessor.Execute(PipelineExecutionContext context)
at InternalMessageDispatcher.Execute(PipelineExecutionContext context)
at ExternalMessageDispatcher.ExecuteInternal(IInProcessOrganizationServiceFactory serviceFactory, IPlatformMessageDispatcherFactory dispatcherFactory, String messageName, String requestName, Int32 primaryObjectTypeCode, Int32 secondaryObjectTypeCode, ParameterCollection fields, CorrelationToken correlationToken, CallerOriginToken originToken, UserAuth userAuth, Guid callerId, Guid transactionContextId, Int32 invocationSource, Nullable`1 requestId, Version endpointVersion)
at OrganizationSdkServiceInternal.ExecuteRequest(OrganizationRequest request, CorrelationToken correlationToken, CallerOriginToken callerOriginToken, WebServiceType serviceType)
at OrganizationSdkServiceInternal.Create(Entity entity, CorrelationToken correlationToken, CallerOriginToken callerOriginToken, WebServiceType serviceType)
at OrganizationSdkService.Create(Entity entity)
at
at SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)
at DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)
at ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)
at ImmutableDispatchRuntime.ProcessMessage31(MessageRpc& rpc)
at MessageRpc.Process(Boolean isOperationContextSet)
at ChannelHandler.DispatchAndReleasePump(RequestContext request, Boolean cleanThread, OperationContext currentOperationContext)
at ChannelHandler.HandleRequest(RequestContext request, OperationContext currentOperationContext)
at ChannelHandler.AsyncMessagePump(IAsyncResult result)
at AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
at AsyncResult.Complete(Boolean completedSynchronously)
at ReceiveItemAndVerifySecurityAsyncResult`2.InnerTryReceiveCompletedCallback(IAsyncResult result)
at AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
at AsyncResult.Complete(Boolean completedSynchronously)
at AsyncQueueReader.Set(Item item)
at InputQueue`1.Dispatch()
at ScheduledOverlapped.IOCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
at IOCompletionThunk.UnhandledExceptionFrame(UInt32 error, UInt32 bytesRead, NativeOverlapped* nativeOverlapped)
at _IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)
>Exception in FindResultInDC: 该服务器不可操作。
解决方案：
I. 请转到以下注册表配置单元：
II. HKLM\Software\Microsoft\MSCRM
III. 添加一个新的 String 值，它被命名为 PreferredDc。
IV. 指定所需的域控制器。一般情况下，这是最接近的域控制器。
V. 重新启动该 CRM 服务器。
参考网址：