Sample: Disable a user

using System;
using System.ServiceModel;
using System.ServiceModel.Description;

// These namespaces are found in the Microsoft.Xrm.Sdk.dll assembly
// located in the SDK\bin folder of the SDK download.
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Crm.Sdk.Messages;

namespace Microsoft.Crm.Sdk.Samples
{
    /// <summary>
    /// Demonstrates how to do disable/enable a system user account.
    /// </summary>
    /// <remarks>
    /// At run-time, you will be given the option to revert the role 
    /// association created by this program.</remarks>
    public class DisableOrEnableUser
    {
        #region Class Level Members

        // Define the IDs needed for this sample.
        private Guid _userId;
        private OrganizationServiceProxy _serviceProxy;

        #endregion Class Level Members

        #region How To Sample Code
        /// <summary>
        /// This method first connects to the Organization service. Afterwards, it
        /// creates/retrieves a system user, and
        /// updates the system user to disable/enable the user account.
        /// Note: Creating a user is only supported
        /// in an on-premises/active directory environment.
        /// </summary>
        /// <param name="serverConfig">Contains server connection information.</param>
        /// <param name="promptforDelete">When True, the user will be prompted to delete all
        /// created entities.</param>
        public void Run(ServerConnection.Configuration serverConfig, bool promptforDelete)
        {
            try
            {
                // Connect to the Organization service. 
                // The using statement assures that the service proxy is properly disposed.
                using (_serviceProxy = new OrganizationServiceProxy(serverConfig.OrganizationUri, serverConfig.HomeRealmUri,serverConfig.Credentials, serverConfig.DeviceCredentials))
                {
                    _serviceProxy.EnableProxyTypes();

                    CreateRequiredRecords();                    

                    // Retrieve a user.
                    SystemUser user = _serviceProxy.Retrieve(SystemUser.EntityLogicalName,
                        _userId, new ColumnSet(new String [] {"systemuserid", "firstname", "lastname"})).ToEntity<SystemUser>();

                    if (user != null)
                    {
                        Console.WriteLine("{1} {0} user account is retrieved.", user.LastName, user.FirstName);
                        SetStateRequest request = new SetStateRequest() { 
                            EntityMoniker = user.ToEntityReference(),
                            // Sets the user to disabled.
                            State = new OptionSetValue(1),
                            // Required by request but always valued at -1 in this context.
                            Status = new OptionSetValue(-1)
                            /*
                            //Sets the user to enabled.
                            State = new OptionSetValue(0),
                            // Required by request but always valued at -1 in this context.
                            Status = new OptionSetValue(-1)    
                            */
                        };

                        _serviceProxy.Execute(request);

                        Console.WriteLine("User account is disabled.");
                    }
                    DeleteRequiredRecords(promptforDelete);
                }
            }
            // Catch any service fault exceptions that Microsoft Dynamics CRM throws.
            catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>)
            {
                // You can handle an exception here or pass it back to the calling method.
                throw;
            }
        }

        /// <summary>
        /// Creates any entity records that this sample requires.
        /// </summary>
        public void CreateRequiredRecords()
        {
            // For this sample, all required entities are created in the Run() method.
            // Retrieve a user.
            _userId = SystemUserProvider.RetrieveAUserWithoutAnyRoleAssigned(_serviceProxy);
        }

        /// <summary>
        /// Deletes/reverts any entity records that were created for this sample.
        /// <param name="prompt">Indicates whether to prompt the user 
        /// to delete/revert the records created in this sample.</param>
        /// </summary>
        public void DeleteRequiredRecords(bool prompt)
        {
            bool deleteRecords = true;

            if (prompt)
            {
                Console.Write("\nDo you want these entity records deleted/reverted? (y/n) [y]: ");
                String answer = Console.ReadLine();

                deleteRecords = (answer.StartsWith("y") || answer.StartsWith("Y") || answer == String.Empty);
            }

            if (deleteRecords)
            {
                SetStateRequest request = new SetStateRequest()
                {
                    EntityMoniker = new EntityReference(SystemUser.EntityLogicalName,
                        _userId),
                    //sets the user to enabled
                    State = new OptionSetValue(0),
                    // required by request but always valued at -1 in this context
                    Status = new OptionSetValue(-1)
                };
                _serviceProxy.Execute(request);
                Console.WriteLine("User account is enabled back again.");
            }
        }

        #endregion How To Sample Code

        #region Main method

        /// <summary>
        /// Standard Main() method used by most SDK samples.
        /// </summary>
        /// <param name="args"></param>
        static public void Main(string[] args)
        {
            try
            {
                // Obtain the target organization's web address and client logon 
                // credentials from the user.
                ServerConnection serverConnect = new ServerConnection();
                ServerConnection.Configuration config = serverConnect.GetServerConfiguration();

                DisableOrEnableUser app = new DisableOrEnableUser();
                app.Run( config, true );
            }
            catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> ex)
            {
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine("Timestamp: {0}", ex.Detail.Timestamp);
                Console.WriteLine("Code: {0}", ex.Detail.ErrorCode);
                Console.WriteLine("Message: {0}", ex.Detail.Message);
                Console.WriteLine("Trace: {0}", ex.Detail.TraceText);
                Console.WriteLine("Inner Fault: {0}",
                    null == ex.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
            }
            catch (System.TimeoutException ex)
            {
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine("Message: {0}", ex.Message);
                Console.WriteLine("Stack Trace: {0}", ex.StackTrace);
                Console.WriteLine("Inner Fault: {0}",
                    null == ex.InnerException.Message ? "No Inner Fault" : ex.InnerException.Message);
            }
            catch (System.Exception ex)
            {
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine(ex.Message);

                // Display the details of the inner exception.
                if (ex.InnerException != null)
                {
                    Console.WriteLine(ex.InnerException.Message);

                    FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> fe = ex.InnerException
                        as FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>;
                    if (fe != null)
                    {
                        Console.WriteLine("Timestamp: {0}", fe.Detail.Timestamp);
                        Console.WriteLine("Code: {0}", fe.Detail.ErrorCode);
                        Console.WriteLine("Message: {0}", fe.Detail.Message);
                        Console.WriteLine("Trace: {0}", fe.Detail.TraceText);
                        Console.WriteLine("Inner Fault: {0}",
                            null == fe.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
                    }
                }
            }
            // Additional exceptions to catch: SecurityTokenValidationException, ExpiredSecurityTokenException,
            // SecurityAccessDeniedException, MessageSecurityException, and SecurityNegotiationException.
            finally
            {
                Console.WriteLine("Press <Enter> to exit.");
                Console.ReadLine();
            }
        }
        #endregion Main method
    }
}