exchange 2013 upgrade to cu6 error

I,m getting below error during the CU6 Upgrade, and I followed below to do the upgrade, any idea what went wrong ?

http://social.technet.microsoft.com/wiki/contents/articles/26365.upgrade-to-exchange-2013-cu6.aspx




 Error:
 The following error was generated when "$error.Clear();
           if ($RoleDatacenterFfoEnvironment -eq "True")
           {
             Install-CannedRbacRoleAssignments -InvocationMode $RoleInstallationMode -DomainController $RoleDomainController -IsFfo
           }
           else
           {
             Install-CannedRbacRoleAssignments -InvocationMode $RoleInstallationMode -DomainController $RoleDomainController
           }
         " was run: "Microsoft.Exchange.Data.Directory.ADPossibleOperationException: Active Directory operation failed on exserver.proserv.com. This error could have been caused by user input or by the Active Directory server being unavailable. Please retry at a later time. Additional information: Additional information: The global catalog verification failed. The global catalog is not available or does not support the operation. Some part of the directory is currently not available.
 Active directory response: 000020E1: SvcErr: DSID-03200C14, problem 5002 (UNAVAILABLE), data 0
 . ---> System.DirectoryServices.Protocols.DirectoryOperationException: The server is unavailable.
    at System.DirectoryServices.Protocols.LdapConnection.ConstructResponse(Int32 messageId, LdapOperation operation, ResultAll resultType, TimeSpan requestTimeOut, Boolean exceptionOnTimeOut)
    at System.DirectoryServices.Protocols.LdapConnection.SendRequest(DirectoryRequest request, TimeSpan requestTimeout)
    at Microsoft.Exchange.Data.Directory.PooledLdapConnection.SendRequest(DirectoryRequest request, LdapOperation ldapOperation, Nullable`1 clientSideSearchTimeout, IActivityScope activityScope, String callerInfo)
    at Microsoft.Exchange.Data.Directory.ADDataSession.ExecuteModificationRequest(ADObject entry, DirectoryRequest request, ADObjectId originalId, Boolean emptyObjectSessionOnException, Boolean isSync)
    --- End of inner exception stack trace ---
   at Microsoft.Exchange.Data.Directory.ADDataSession.AnalyzeDirectoryError(PooledLdapConnection connection, DirectoryRequest request, DirectoryException de, Int32 totalRetries, Int32 retriesOnServer)
    at Microsoft.Exchange.Data.Directory.ADDataSession.ExecuteModificationRequest(ADObject entry, DirectoryRequest request, ADObjectId originalId, Boolean emptyObjectSessionOnException, Boolean isSync)
    at Microsoft.Exchange.Data.Directory.ADDataSession.ExecuteModificationRequest(ADObject entry, DirectoryRequest request, ADObjectId originalId, Boolean emptyObjectSessionOnException)
    at Microsoft.Exchange.Data.Directory.ADDataSession.Save(ADObject instanceToSave, IEnumerable`1 properties, Boolean bypassValidation)
    at Microsoft.Exchange.Management.RbacTasks.RoleHelper.CreateRoleAssignment(ExchangeRole role, ADObjectId assigneeId, OrganizationId assigneeOrganizationId, RoleAssigneeType roleAssigneeType, String originatingServer, RoleAssignmentDelegationType delegationType, OrganizationId currentOrganizationId, OrganizationId executingUserOrganizationId, IConfigurationSession configurationSession, TaskVerboseLoggingDelegate writeVerbose, TaskErrorLoggingDelegate writeError)
    at Microsoft.Exchange.Management.Tasks.InstallCannedRbacRoleAssignments.CreateRoleAssignment(ExchangeRole role, ADRecipient recipient, RoleAssignmentDelegationType delegationType)
    at Microsoft.Exchange.Management.Tasks.InstallCannedRbacRoleAssignments.CreateRoleAssignmentDefinition(RoleAssignmentDefinition roleAssignmentDefinition, ADGroup roleGroup, List`1 precannedRoles)
    at Microsoft.Exchange.Management.Tasks.InstallCannedRbacRoleAssignments.InternalProcessRecord()
    at Microsoft.Exchange.Configuration.Tasks.Task.<ProcessRecord>b__b()
    at Microsoft.Exchange.Configuration.Tasks.Task.InvokeRetryableFunc(String funcName, Action func, Boolean terminatePipelineIfFailed)".
piaakitAsked:
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piaakitAuthor Commented:
I am able to fix above problem, but now when it installed to "Step 14 of 18: Mailbox role: Mailbox service, any idea
?


Error:
The following error was generated when "$error.Clear();
          $name = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxUniqueName;
          $dispname = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxDisplayName;
          $dismbx = get-mailbox -Filter {name -eq $name} -IgnoreDefaultScope -resultSize 1;
          if( $dismbx -ne $null)
          {
          $srvname = $dismbx.ServerName;
          if( $dismbx.Database -ne $null -and $RoleFqdnOrName -like "$srvname.*" )
          {
          Write-ExchangeSetupLog -info "Setup DiscoverySearchMailbox Permission.";
          $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true };
          if( $mountedMdb -eq $null )
          {
          Write-ExchangeSetupLog -info "Mounting database before stamp DiscoverySearchMailbox Permission...";
          mount-database $dismbx.Database;
          }

          $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true };
          if( $mountedMdb -ne $null )
          {
          $dmRoleGroupGuid = [Microsoft.Exchange.Data.Directory.Management.RoleGroup]::DiscoveryManagement_InitInfo.WellKnownGuid;
          $dmRoleGroup = Get-RoleGroup -Identity $dmRoleGroupGuid -DomainController $RoleDomainController -ErrorAction:SilentlyContinue;
          if( $dmRoleGroup -ne $null )
          {
            trap [Exception]
            {
              Add-MailboxPermission $dismbx -User $dmRoleGroup.Name -AccessRights FullAccess -DomainController $RoleDomainController -ErrorAction SilentlyContinue;
              continue;
            }
           
            Add-MailboxPermission $dismbx -User $dmRoleGroup.Identity -AccessRights FullAccess -DomainController $RoleDomainController -WarningAction SilentlyContinue;
          }
          }
          }
          }
        " was run: "Microsoft.Exchange.Data.ApplicationLogic.Cafe.BackEndLocatorException: The database with ID 1a5deb99-4262-4364-83ee-b5acc91907f0 couldn't be found. ---> Microsoft.Exchange.Data.ApplicationLogic.Cafe.MailboxServerLocatorException: The database with ID 1a5deb99-4262-4364-83ee-b5acc91907f0 couldn't be found.
   at Microsoft.Exchange.Data.ApplicationLogic.Cafe.MailboxServerLocator.BeginGetServer(AsyncCallback callback, Object asyncState)
   at Microsoft.Exchange.Data.ApplicationLogic.Cafe.BackEndLocator.GetBackEndServerByDatabase(ADObjectId database, OrganizationId organizationId, SmtpAddress primarySmtpAddress)
   at Microsoft.Exchange.Data.ApplicationLogic.Cafe.BackEndLocator.<>c__DisplayClass3.<GetBackEndServer>b__2()
   at Microsoft.Exchange.Data.ApplicationLogic.Cafe.BackEndLocator.CallWithExceptionHandling[T](Func`1 actualCall)
   --- End of inner exception stack trace ---
   at Microsoft.Exchange.Data.ApplicationLogic.Cafe.BackEndLocator.CallWithExceptionHandling[T](Func`1 actualCall)
   at Microsoft.Exchange.Management.RecipientTasks.SetMailboxPermissionTaskBase.PrepareDataObject()
   at Microsoft.Exchange.Configuration.Tasks.SetTaskBase`1.InternalValidate()
   at Microsoft.Exchange.Configuration.Tasks.SetRecipientObjectTask`3.InternalValidate()
   at Microsoft.Exchange.Management.RecipientTasks.SetMailboxPermissionTaskBase.InternalValidate()
   at Microsoft.Exchange.Management.RecipientTasks.AddMailboxPermission.InternalValidate()
   at Microsoft.Exchange.Configuration.Tasks.Task.<ProcessRecord>b__b()
   at Microsoft.Exchange.Configuration.Tasks.Task.InvokeRetryableFunc(String funcName, Action func, Boolean terminatePipelineIfFailed)".
0
piaakitAuthor Commented:
i also just fixed above by Delete the  Discovery Search mailbox user from Active Directory,
0

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