I am trying to install exchange server 2010 on a windows 2008 x64 machine. While installing hub transport or mailbox server role it fails with error Failed Error: The following error was generated when "$error.Clear(); install-ContentIndexingService" was run: "srcFile: 'C:\Windows\System32\naturallanguage6.dll', lnkFile: 'C:\Program Files\Microsoft\Exchange Server\V14\Bin\defbrkr.dll', Error code: 2". srcFile: 'C:\Windows\System32\naturallanguage6.dll', lnkFile: 'C:\Program Files\Microsoft\Exchange Server\V14\Bin\defbrkr.dll', Error code: 2 I have tried installing on Windows server 2008 R2 OS also but it still fails with the same error. Any help will be appreciated.

I have the different an error; The following error was generated when "$error.Clear(); install-ContentIndexingService -HubOnlyFilterRegistration " was run: "srcFile: 'C:\Windows\System32\korwbrkr.dll', is NOT existed". srcFile: 'C:\Windows\System32\korwbrkr.dll', is NOT existed [ERROR-REFERENCE] Id=BridgeheadComponent___0491735b4880450d9e9b7aa3e0ac1f0b Component=EXCHANGE14:\Current\Release\Shared\Datacenter\Setup Setup is stopping now because of one or more critical errors.

TN72: I also would like to know what is this, because I cannot install nor uninstall Exchange 2010 (mailbox rule fails)... doesn't help: setting default input language to english, and copying en directory (5 files) of setup pack into other languages I did also follow these instructions: http://www.enterprisenetworkingplanet.com/windows/article.php/3877601/Installing-Exchange-2010-Step-by-Step.htm

TN72: I also would like to know what is this, because I cannot install nor uninstall Exchange 2010 (mailbox rule fails)... doesn't help: setting default input language to english, and copying en directory (5 files) of setup pack into other languages I did also follow these instructions: http://www.enterprisenetworkingplanet.com/windows/article.php/3877601/Installing-Exchange-2010-Step-by-Step.htm I have posted that an error on msexchange forum but nobody give answer. you can look on this link what an error is; http://forums.msexchange.org/Installation_Failed/m_1800542944/tm.htm

Hi Can you post the installationlog in the thread? It should give you more infoJonas Andersson MCTS: Microsoft Exchange Server 2007/2010 | MCITP: EMA 2007/2010 | Blog: http://www.testlabs.se/blog | Follow me on twitter: jonand82

Yes, that would be very helpfullGulab | Skype: gulab.mallah

Hi Sunil, I am getting exactly the same problem installing Exchnge 2010 Sp1 on Windows 2008 Enterprise R2. All the pre-req installing successfully. The installation fails during the installation of the HUB Trans role. Does anyone know the cause of this problem. Regards,

Hello Peter, Can you post the entire error message which you see.Gulab | MCTS-MCITP Messaging: 2010 | MCTS-MCITP Messaging: 2007 | MCC 2011 | Skype: Gulab.Mallah | Blog: www.ExchangeRanger.blogspot.com