Issue: Using Pearl Echo to manage Exchange E-mail.
Product: Pearl Echo 9 and Later
Applies to: All Builds

Background:

Pearl Echo is designed to monitor any e-mail client using the POP3, SMTP or IMAP e-mail protocol. By default, Exchange e-mail clients communicate with the Exchange server via Exchange's native Remote Procedure Call (RPC) protocol. The Pearl Echo Workstation software automatically manages the Exchange server protocol when Exchange Mail (2003 and later) is configured without compression. Disabling compression on the Workstation and the Server does not send data in plain text from client to server.

 

Solution:

A. Disable Compression on Exchange Server
  1. In the registry editor, navigate to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeIS\ParametersSystem
  2. Set the following values:
    Parameter: Rpc Compression Enabled
    Type: REG_DWORD
    Value: 0x00000000

    Parameter: Rpc Packing Enabled
    Type: REG_DWORD
    Value: 0

 

B. Do not to force RPC encryption between Outlook and Exchange
  • Using the Exchange Management Shell in Exchange Server 2007, run the following command:
    Set-MailboxServer ServerName -MapiEncryptionRequired:$false
  • Using the Exchange Management Shell in Exchange Server 2010, run the following command:
    Set-RpcClientAccess -Server ServerName -EncryptionRequired

 

C. Disable Compression in Outlook on the Workstation
  1. On the Tools menu, click E-mail accounts, select View or change existing e-mail accounts, click Next, select the Exchange e-mail account, and then click Change.
  2. Click More Settings, then click the Security tab.
  3. Under Encryption, uncheck the Encrypt data between Microsoft Office Outlook and Microsoft Exchange Server check box.

    NOTE:
    2003
    You can automate Workstation Compression settings in GPO under “User Configuration | Administrative Templates | Outlook 2003-Exchange RPC Encryption | Exchange settings | Enable RPC Encryption”
    2007
    You can automate Workstation Compression settings in GPO under “User Configuration | Administrative Templates | Microsoft Office Outlook 2007 | Tools | Account Settings | Exchange | Enable RPC Encryption”
    2010
    You can automate Workstation Compression settings in GPO under “User Configuration | Administrative Templates | Microsoft Office Outlook 2010 | Account Settings |Exchange | Enable RPC Encryption”

 

Reference:

Microsoft Knowledge Base Article 825371 (http://support.microsoft.com/?kbid=825371)
Technet Article: RPC Encryption Required (http://technet.microsoft.com/en-us/library/dd439391(EXCHG.80).aspx)

 

 

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