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POSystem.DirectoryServices.DirectoryServicesCOMException: An operations error occurred
 

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    <p>I have the same web app working in three others servers. Anyone have any idea why is not working in the 4th server? See the error and stacktrace:</p> <blockquote> <p><em>An operations error occurred.</em></p> <p><em>Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.</em></p> <p><em>Exception Details:<br> System.DirectoryServices.DirectoryServicesCOMException: An operations error occurred.</em></p> <p><em>Source Error:</em></p> <p><em>An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.</em></p> <p><em>Stack Trace:</em></p> <p><em>[DirectoryServicesCOMException (0x80072020): An operations error occurred. ] System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail) +454 System.DirectoryServices.DirectoryEntry.Bind() +36 System.DirectoryServices.DirectoryEntry.get_AdsObject() +31 System.DirectoryServices.PropertyValueCollection.PopulateList() +22<br> System.DirectoryServices.PropertyValueCollection..ctor(DirectoryEntry entry, String propertyName) +96<br> System.DirectoryServices.PropertyCollection.get_Item(String propertyName) +142 System.DirectoryServices.AccountManagement.PrincipalContext.DoLDAPDirectoryInitNoContainer() +1134 System.DirectoryServices.AccountManagement.PrincipalContext.DoDomainInit() +37 System.DirectoryServices.AccountManagement.PrincipalContext.Initialize() +124 System.DirectoryServices.AccountManagement.PrincipalContext.get_QueryCtx() +31 System.DirectoryServices.AccountManagement.Principal.FindByIdentityWithTypeHelper(PrincipalContext context, Type principalType, Nullable'1 identityType, String identityValue, DateTime refDate) +14<br> System.DirectoryServices.AccountManagement.Principal.FindByIdentityWithType(PrincipalContext context, Type principalType, String identityValue) +73<br> System.DirectoryServices.AccountManagement.UserPrincipal.FindByIdentity(PrincipalContext context, String identityValue) +25<br> Infraero.TINE3.STTEnterprise.Web.Common.Seguranca.ServicoAutenticacao.EfetuarLogin(AcessoUsuario acessoUsuario, String senha) in D:\SVN\STT\trunk\4-0_CodigoFonte_Enterprise\4-4_SRC\Infraero.TINE3.STTEnterprise.Web\Common\Seguranca\ServicoAutenticacao.cs:34 Infraero.TINE3.STTEnterprise.Web.Controllers.LoginController.ValidarUsuarioAD(String matricula, String senha, AcessoUsuario acessoUsuario) in D:\SVN\STT\trunk\4-0_CodigoFonte_Enterprise\4-4_SRC\Infraero.TINE3.STTEnterprise.Web\Controllers\LoginController.cs:92 Infraero.TINE3.STTEnterprise.Web.Controllers.LoginController.ValidarUsuario(String matricula, String senha) in D:\SVN\STT\trunk\4-0_CodigoFonte_Enterprise\4-4_SRC\Infraero.TINE3.STTEnterprise.Web\Controllers\LoginController.cs:80 Infraero.TINE3.STTEnterprise.Web.Controllers.LoginController.Index(LoginViewModel loginViewModel) in D:\SVN\STT\trunk\4-0_CodigoFonte_Enterprise\4-4_SRC\Infraero.TINE3.STTEnterprise.Web\Controllers\LoginController.cs:54 lambda_method(Closure , ControllerBase , Object[] ) +108<br> System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) +17<br> System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary'2 parameters) +208<br> System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary'2 parameters) +27<br> System.Web.Mvc.&lt;>c__DisplayClass15.b__12() +55 System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func'1 continuation) +263<br> System.Web.Mvc.&lt;>c__DisplayClass17.b__14() +19 System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList'1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +191<br> System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +343<br> System.Web.Mvc.Controller.ExecuteCore() +116<br> System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +97 System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +10<br> System.Web.Mvc.&lt;>c__DisplayClassb.b__5() +37<br> System.Web.Mvc.Async.&lt;>c__DisplayClass1.b__0() +21<br> System.Web.Mvc.Async.&lt;>c__DisplayClass8'1.b__7(IAsyncResult _) +12 System.Web.Mvc.Async.WrappedAsyncResult'1.End() +62 System.Web.Mvc.&lt;>c__DisplayClasse.b__d() +50<br> System.Web.Mvc.SecurityUtil.b__0(Action f) +7 System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action) +22 System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +60<br> System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9<br> System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +8963149 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously) +184</em></p> </blockquote> <p>EfetuarLogin Method:</p> <pre><code>public static bool EfetuarLogin(User user, string password) { bool isValid = false; if (user != null) { PrincipalContext context = new PrincipalContext(ContextType.Domain); using (context) { isValid = context.ValidateCredentials(user.Login, password); if (isValid) { UserPrincipal userAD = UserPrincipal.FindByIdentity(context, user.Login); MySession.CurrentUser = new MyUserSession() { Id = user.Id, ProfileId = user.ProfileId , Login = user.Login , Name = userAD.Name }; } } } return isValid; } </code></pre>
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    1. COAre there **any** differences in permissions on that machine? It is attempting to find a user account and for one reason or another it cant. Are there any InnerExceptions? Those should have information from further down the stack trace.
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    2. COWhat kind of permissions you mean? All apps run in the same intranet and I'm trying to login with same user. There isn't InnerExceptions.
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    3. COWell by permissions, I mean, is the web application running on the same account on all machines? EfetuarLogin looks like it is the last User Code that leads up to this exception. Have you tried stepping through the code from there? I assume that this is processing a login attempt against ActiveDirectory. Could you post the code in the EfetuarLogin method?
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