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When installing Active Directory Migration Tool (ADMT) 3.2 on a Windows Server 2008 R2 domain controller and using SQL Express 2008 with SP1 and SQL 2008 Cumulative Update 4, the installation completes without errors. However, the dialog "Active Directory Migration Tool Installation Wizard" is blank when the install is finished.
When then attempting to run the ADMT console, you receive error:
Active Directory Migration Tool
Unable to check for failed actions. :DBManager.IManageDB.1 : Cannot open database "ADMT" requested by the login. The logon failed.
The MMC console then displays:
MMC could not create the snap-in.
MMC could not create the snap-in. The snap-in might not have been installed correctly.
Name: Active Directory Migration Tool
The standard practice is to install ADMT on a member computer in the target domain. Install SQL Express 2008 SP1 on a Windows 2008 R2 member server in the target domain and then install ADMT 3.2 on that same member server.
If you have a requirement to install ADMT 3.2 on a domain controller in order to use command-line or scripted user migrations with SID History, install SQL 2008 SP1 (non-Express edition) on a Windows Server 2008 R2 member server in the target domain and select that remote instance when installing ADMT 3.2 on the domain controller. Alternatively, you can install SQL Express 2005 SP3 on the domain controller.
If you have a requirement to install ADMT 3.2 and SQL Express 2008 SP1 on the same domain controller, use the following steps on the target domain's domain controller:
Installing any version of SQL on domain controllers is not recommended.
Active Directory Migration Tool (ADMT) Guide: Migrating and Restructuring Active Directory Domains
Active Directory Migration Tool version 3.2
Article ID: 2266373 - Last Review: 07/19/2010 19:25:00 - Revision: 7.0