Looking for more information on load balancing Exchange 2010?

Load Balancing Requirements of Exchange Protocols

Microsoft Exchange protocols and client access services have different load balancing requirements. Some Microsoft Exchange protocols and client access services require client to Client Access server affinity. Others will work without it but will display performance improvements from such affinity. Other Exchange protocols don’t require client to Client Access server affinity and performance doesn’t decrease without affinity.

Topics

  • Exchange protocols that require client to CAS affinity
  • Exchange protocols that benefit from client to CAS affinity
  • Exchange protocols that don’t require affinity
  • Understating IP ports

Understanding Load Balancing in Exchange 2010

Load balancing is a way to manage which of your servers receive traffic. Load balancing provides failover redundancy to ensure your users continue to receive Exchange service in case of computer failure. It also enables your deployment to handle more traffic than one server can process while offering a single host name for your clients.

Topics

  • Overview of Load Balancing
  • Understanding Exchange 2010 Traffic loads
  • Understanding Load Balancing Options
  • Load Balancing Recommendations
  • Affinity Options

Other Useful links…

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Commissioned by EMC and is distributed under license from ESG, this recently released white paper by Mark Peters includes topics on the Current Market Situation, Options and Opportunities, Implementation Considerations and the Bigger Truth as they relate to networked storage and direct attached storage (DAS). [read more…]

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Outlook 2010 introduced a change to the way the AutoComplete list (aka: nickname cache) is stored on the client.  The new Roaming AutoComplete list is now stored on the Exchange Server. A user’s recipient AutoComplete list is now available to any computer on which Outlook 2010 runs that is connected to the same Exchange account. Individual names can be easily removed from the list by using the new inline Delete function.  Just simply type the first few characters of the name you wish to delete and press the Delete key or click the X.

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What this means for you is that your AutoComplete list is synchronized between platforms: OWA, Windows Mobile and Outlook will all share the same AutoComplete list.  While this sounds up front like a great enhancement there are some changes that you need to be aware of in case you need to clear this list.

First, there is no more NK2 file.  The actual file you are looking for is located is:

C:\Users\%username%\AppData\Local\Microsoft\Outlook\RoamCache\Stream_Autocomplete*.dat.

Deleting this file will not clear your AutoComplete list.  As soon as you start Outlook 2010 the file will reappear, along with any bad addresses.  So how does one clear the entire list?

Use one of the methods listed below to reset the Outlook nickname cache for Microsoft Outlook 2010.

Method 1

  1. With Outlook 2010 open, click File (BackStage), and then click Options.
  2. Click the Mail tab.
  3. Under Send Messages, click Empty Auto-Complete List.

Outlook will generate a new nickname cache.

Method 2

  1. Click Start, and then click Run.
  2. Start Outlook by using the /CleanAutoCompleteCache switch.
    For example: Outlook.exe /CleanAutoCompleteCache
    Note If Outlook is not installed in the default location, you will need to point to the path of Outlook.exe.

Outlook will generate a new nickname cache.

Reference KB287623 for more information…

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Hot off the presses…

Click here to review the official release and download the April 2010 updates for the Communicator and Live Meeting clients.

Alternatively if you would like to review and download the CU5 updates directly use these links…

Office Communications Server 2007 R2 CU5 Update
Office Communications Server 2007 R2 CU5 Database Update
Office Communicator 2007 R2 CU5 Update
Office Communicator Phone Edition 2007 R2 CU5 Update
Office Communicator Attendant Console 2007 R2 CU5 Update
Live Meeting 2007 April 2010 Update
Live Meeting Conferencing Add-in April 2010 Update

Thanks Aaron for putting together this list…
[read more…]

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