你好！
我在邮箱服务器事件日志中发现一个通是出现下面此类报错，该报错是什么原因引起的？该如何解决？请详细说明。谢谢！
环境为exchange server 2013 CU20
报错信息如下：
未能保存此 cmdlet 调用的管理审核日志。
组织: First Organization
日志内容:
Cmdlet Name: Disable-Mailbox
Object Modified: xxxx.com.cn/01裴晓
Parameter: Identity = xxx.com.cn/01裴晓
Parameter: Confirm = False
Parameter: ErrorAction = Stop
Caller: xxx.com.cn/管理/服务帐号/exchangewebservice
ExternalAccess: False
Succeeded: True
Run Date: 2019-08-14T03:18:44
OriginatingServer: TBMAILM05 (15.00.1473.004)
错误:
Microsoft.Exchange.Data.ApplicationLogic.AuditLogAccessDeniedException: The requesting account doesn't have permission to access the audit log. ---> System.Web.Services.Protocols.SoapException: 请求帐户无权对令牌进行序列化。
在 System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
在 System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
在 Microsoft.Exchange.SoapWebClient.EWS.ExchangeServiceBinding.GetFolder(GetFolderType GetFolder1)
在 Microsoft.Exchange.Data.ApplicationLogic.EwsAuditClient.CallEwsWithRetries(LID lid, Func`1 delegateEwsCall, Func`3 responseMessageProcessor, Func`3 responseErrorProcessor)
--- 内部异常堆栈跟踪的结尾 ---
在 Microsoft.Exchange.Data.ApplicationLogic.EwsAuditClient.CallEwsWithRetries(LID lid, Func`1 delegateEwsCall, Func`3 responseMessageProcessor, Func`3 responseErrorProcessor)
在 Microsoft.Exchange.Data.ApplicationLogic.EwsAuditClient.CheckAndCreateWellKnownFolder(DistinguishedFolderIdNameType parentFolder, DistinguishedFolderIdNameType targetFolder, FolderIdType& targetFolderId)
在 Microsoft.Exchange.ProvisioningAgent.EwsAuditLogger.InitializeAdminAuditLogsFolder()
在 Microsoft.Exchange.ProvisioningAgent.AuditLoggerFactory.Create(ExchangePrincipal principal, ArbitrationMailboxStatus status)
在 Microsoft.Exchange.ProvisioningAgent.ConfigWrapper.get_MailboxLogger()
在 Microsoft.Exchange.ProvisioningAgent.AdminLogProvisioningHandler.WriteAuditRecord(Stopwatch stopwatch)
