Error: Unable to load the table of contents for [address list]. The operation failed.
Posted by Jim Beveridge, Last modified by Jim Beveridge on 12 November 2016 06:17 PM

(Applies to Epicenter Server)

Problem:  When sending an update from an address list with thousands of contacts, you receive an error like one of these:

06/09/11 16:32:57 [All Users] Unable to load the table of contents for All Users.  "Microsoft Exchange Address Book" reported that, "The operation failed."
Reason: Unspecified error (0x80004005)


Exchange 2010 throttles busy connections. You need to turn off throttling in Exchange 2010, as follows:

  1. On a computer that hosts the Microsoft Exchange Management Shell, open the Microsoft Exchange Management Shell.
  2. Type the following commands. In the last command, change "Example" to be the account used by Epicenter Server.

    New-ThrottlingPolicy EpicenterPolicy

    Set-ThrottlingPolicy EpicenterPolicy -RCAMaxConcurrency $null -RCAPercentTimeInAD $null -RCAPercentTimeInCAS $null -RCAPercentTimeInMailboxRPC $null -EWSMaxConcurrency $null -EWSPercentTimeInAD $null -EWSPercentTimeInCAS $null -EWSPercentTimeInMailboxRPC $null -EWSMaxSubscriptions $null -EWSFastSearchTimeoutInSeconds $null -EWSFindCountLimit $null

    Set-Mailbox "Example" -ThrottlingPolicy EpicenterPolicy


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