问题描述
错误信息：ServerErrorin'/Commu'Application.--------------------------------------------------------------------------------RetrievingtheCOMclassfactoryforcomponentwithCLSID{1A90D3D3-6F3A-45E9-93EF-6F7ED2F16898}failedduetothefollowingerror:8000401a.Description:Anunhandledexceptionoccurredduringtheexecutionofthecurrentwebrequest.Pleasereviewthestacktraceformoreinformationabouttheerrorandwhereitoriginatedinthecode.ExceptionDetails:System.Runtime.InteropServices.COMException:RetrievingtheCOMclassfactoryforcomponentwithCLSID{1A90D3D3-6F3A-45E9-93EF-6F7ED2F16898}failedduetothefollowingerror:8000401a.SourceError:Anunhandledexceptionwasgeneratedduringtheexecutionofthecurrentwebrequest.Informationregardingtheoriginandlocationoftheexceptioncanbeidentifiedusingtheexceptionstacktracebelow.StackTrace:[COMException(0x8000401a):RetrievingtheCOMclassfactoryforcomponentwithCLSID{1A90D3D3-6F3A-45E9-93EF-6F7ED2F16898}failedduetothefollowingerror:8000401a.]System.RuntimeTypeHandle.CreateInstance(RuntimeTypetype,BooleanpublicOnly,BooleannoCheck,Boolean&canBeCached,RuntimeMethodHandle&ctor,Boolean&bNeedSecurityCheck)+0System.RuntimeType.CreateInstanceSlow(BooleanpublicOnly,BooleanfillCache)+103System.RuntimeType.CreateInstanceImpl(BooleanpublicOnly,BooleanskipVisibilityChecks,BooleanfillCache)+261System.Activator.CreateInstance(Typetype,BooleannonPublic)+66System.Activator.CreateInstance(Typetype)+6System.Web.HttpServerUtility.CreateObject(Typetype)+80Ming.WebReport.MREngine..ctor(Pagepage)+66Ming.WebReport.MRViewer.CreateEngineObject()+38Ming.WebReport.MRViewer.get_Engine()+5Report_hjxx_Report.Page_Load(Objectsender,EventArgse)+257System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtrfp,Objecto,Objectt,EventArgse)+15System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Objectsender,EventArgse)+34System.Web.UI.Control.OnLoad(EventArgse)+99System.Web.UI.Control.LoadRecursive()+47System.Web.UI.Page.ProcessRequestMain(BooleanincludeStagesBeforeAsyncPoint,BooleanincludeStagesAfterAsyncPoint)+1061--------------------------------------------------------------------------------VersionInformation:Microsoft.NETFrameworkVersion:2.0.50727.42;ASP.NETVersion:2.0.50727.42系统运行环境：windowsserver2003sp2所加载的是一个第三方的报表控件，编号为{1A90D3D3-6F3A-45E9-93EF-6F7ED2F16898}在COM+应用程序中，我参照网上的解决办法进行设置，但没成功.
解决方案
解决方案二：
最后找到解决方案:运行dcomcnfg打开组件服务,依次展开"组件服务"->"计算机"->"我的电脑"->"COM+应用程序"找到对应的应用程序右键打开属性对话框,点击"标识"选项卡,点"下列用户",把管理员（Administrator）的用户和密码（登陆服务器的密码）正确填写进去。但一旦重新装系统或者密码变化后需要重新在此处设置密码。
解决方案三：
各位还有没有更好的方法