Migration Manager for Exchange is not working correctly with Exchange 2010 SP1 (66601)

Migration Manager for Exchange has following problems with Exchange 2010 SP1:

-The installation of any agent on the Exchange 2010 Server Service Pack 1 may fail with the following error message:
aeEMWGUIShared::CmodMiscellaneous::isCorrectVersionOS Error: (Minimum system requirements not found in DB)

-When the Mail Target Agent tries to remove an existing mailbox from the Exchange 2010 Server Service Pack 1, the agent fails with the following error message:
CExchAdmin::DeleteMailboxE2K Error -2147024809 DeleteMailbox failed - MAPI_E_INVALID_PARAMETER File: 'aeExchAdmin2K.cpp' Line: '136'

In addition the following issue may occur:

-If a global catalog exists on the associated domain controller, an agent should use the catalog to search for the security principal information.

Please download the Hotfix called, Migration Manager for Exchange 8.6.1 Hotfix (Update20100921EX) for SOL66601 by Clicking Here.

To install the update, complete the following steps:

1. Close the Migration Manager console if it is running.
2. Run the QuestMigrationManagerUpdate20100921EX.exe file and complete the update setup wizard.
3. Run the Migration Manager console, on the Exchange Data tab right-click the Exchange Migration Project (top of the tree) and select the Hotfix Installation Wizard from the shortcut menu.
4. Follow the wizard steps to install the hotfixes on all computers with Mail Source Agent,Mail Target Agent,Transmission Agent,Public Folder Source Agent,Public Folder Target Agent,Calendar Synchronization Agent,Free/Busy Synchronization Agent and Shared Components installed.

The installation does not affect existing settings. All your projects remain intact and can be continued after installation.