Exchange 2013 installation failed in Existing exchange 2010 sp3 environment

Hi All,

   I have exchange 2010 sp3 installed with CAS,MBX, HUB, i have prepared a windows 2012 server to install Exchange 2013 ( CAS.MBX) I ave installled the preq and things was fine, during step 11 Exchange 2013 mailbox role installation I got the below error.

Pls advise how to resolve to install Exchange 2013

Error:
The following error was generated when "$error.Clear();
          if (!$RoleIsDatacenter)
          {
            $createNewOab = $false;
            $oabName = $null;
            $oabAddressList = $null;
            $oabVdirs = $null;
            $oabGlobalWebDistribution = $false;
            $oabConfiguredAttributes = $null;

            Write-ExchangeSetupLog -Info ("Looking for an existing default OAB");
            $defaultOab = Get-OfflineAddressBook -DomainController:$RoleDomainController | where {$_.IsDefault};
            if ($defaultOab -ne $null)
            {
              Write-ExchangeSetupLog -Info ("Found a default OAB: " + $defaultOab.Name + "; checking its version");
              if ($defaultOab.ExchangeVersion.CompareTo([Microsoft.Exchange.Data.ExchangeObjectVersion]::Exchange2012) -lt 0)
              {
                Write-ExchangeSetupLog -Info ("Existing OAB is Exchange 2010 or older; will create a new OAB");
                $createNewOab = $true;
                $oabName = $defaultOab.Name + " (Ex2012)";
                $oabAddressList = $defaultOab.AddressLists;
                $oabGlobalWebDistribution = $defaultOab.GlobalWebDistributionEnabled;
                $oabConfiguredAttributes = $defaultOab.ConfiguredAttributes;
              }
              else
              {
                Write-ExchangeSetupLog -Info ("Existing OAB is Exchange 2012 or newer; will not create a new OAB");
              }
            }
            else
            {
              Write-ExchangeSetupLog -Info ("Did not find a default OAB; will create one");
              $createNewOab = $true;
             
              $oabName = [Microsoft.Exchange.Data.Directory.SystemConfiguration.OfflineAddressBook]::DefaultName;
              $nonDefaultOabWithDefaultName = Get-OfflineAddressBook $oabName -DomainController:$RoleDomainController -ErrorAction SilentlyContinue | where {$_.IsDefault -eq $false};
              if ($nonDefaultOabWithDefaultName -ne $null)
              {
                $createNewOab = $false;
                Write-ExchangeSetupLog -Warning `
                  ("Offline address book " + `
                  $nonDefaultOabWithDefaultName.Name + `
                  " already exists: " + `
                  $nonDefaultOabWithDefaultName.DistinguishedName + `
                  ". Use administrative tools to change it to default OAB.");
              }

              $allGals = @(Get-GlobalAddressList -DomainController:$RoleDomainController | where {$_.IsDefaultGlobalAddressList});
              if ($allGals -eq $null -or $allGals.Count -eq 0)
              {
                $createNewOab = $false;
                Write-ExchangeSetupLog -Warning `
                  ("Couldn't find the default global address list. The default offline address book can't be created.");
              }
              elseif ($allGals.Count -gt 1)
              {
                $createNewOab = $false;
                Write-ExchangeSetupLog -Warning `
                  ("Found " + $allGals.Count + " default global address lists. You can have only one default global address list in your organization. The default offline address book will not be created.");
              }
              else
              {
                $oabAddressList = $allGals[0];
                Write-ExchangeSetupLog -Info ("OAB will be based on default GAL: " + $oabAddressList.Name);
              }
            }

            if ($createNewOab)
            {
              if ($oabGlobalWebDistribution -eq $false)
              {
                $currentAdSiteDn = (Get-ExchangeServer $RoleFqdnOrName -DomainController:$RoleDomainController).Site.DistinguishedName;
                $allOabVdirs = @(Get-OabVirtualDirectory -DomainController:$RoleDomainController);
                $e15MinimumServerVersion = New-Object Microsoft.Exchange.Data.ServerVersion([Microsoft.Exchange.Data.Directory.SystemConfiguration.Server]::E15MinVersion);
                if ($allOabVdirs -ne $null -and $allOabVdirs.Count -gt 0)
                {
                  foreach ($oabVdir in $allOabVdirs)
                  {
                    if ([Microsoft.Exchange.Data.ServerVersion]::Compare($oabVdir.AdminDisplayVersion, $e15MinimumServerVersion) -gt 0)
                    {
                      $oabVdirSiteDn = (Get-ExchangeServer $oabVdir.Server -DomainController:$RoleDomainController).Site.DistinguishedName;
                      if ($oabVdirSiteDn -eq $currentAdSiteDn)
                      {
                        $oabVdirs = $oabVdir;
                        break;
                      }
                      elseif ($oabVdirs -eq $null)
                      {
                        $oabVdirs = $oabVdir;
                      }
                    }
                  }
                }

                if ($oabVdirs -ne $null)
                {
                  Write-ExchangeSetupLog -Info ("OAB will be distributed to OAB virtual directory " + $oabVdirs.Name);
                }
                else
                {
                  Write-ExchangeSetupLog -Info ("Could not find any OAB virtual directories; OAB will be configured without distribution.");
                }
              }

              try
              {
                Write-ExchangeSetupLog -Info ("Creating new default OAB.");
                $newOab = New-OfflineAddressBook `
                  -Name $oabName `
                  -AddressLists $oabAddressList `
                  -VirtualDirectories $oabVdirs `
                  -GlobalWebDistributionEnabled $oabGlobalWebDistribution `
                  -IsDefault $true `
                  -DomainController:$RoleDomainController;
              }
              catch [Microsoft.Exchange.Data.Directory.ADObjectAlreadyExistsException]
              {
                Write-ExchangeSetupLog -Warning ("Tried to create new default OAB but the object already exists; it may have been created by another instance of setup.");
              }

              if ($oabConfiguredAttributes -ne $null)
              {
                Write-ExchangeSetupLog -Info ("Setting OAB ConfiguredAttributes to: " + $oabConfiguredAttributes);
                Set-OfflineAddressBook $newOab -ConfiguredAttributes $oabConfiguredAttributes -DomainController:$RoleDomainController;
              }
            }
          }
        " was run: "The task wasn't able to connect to IIS on the server 'mail.domain.com'. Make sure that the server exists and can be reached from this computer: The RPC server is unavailable.
".
LVL 1
ITMaster1979Asked:
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Imtiaz HashamTechnical Director / IT ConsultantCommented:
Had the same problem.

Please use Exchange 2013 with CU2
ITMaster1979Author Commented:
Please advise how to get it
Imtiaz HashamTechnical Director / IT ConsultantCommented:
http://www.microsoft.com/en-gb/download/details.aspx?id=39609

The CU2 update has the full setup file structure.

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