The Client Side Extensions for Windows SBS 2011 Standard cannot be installed
Applies To: Windows Small Business Server 2011 Standard
Problem The client-side extensions for Windows SBS 2011 Standard cannot be installed.
Features affected The client-side extensions for Windows SBS 2011 Standard installs baseline applications and configures client computers that join the Windows SBS 2011 Standard domain. You cannot install the baseline applications or configure client computers that join the Windows SBS 2011 Standard domain.
Resolution Due to the number of complex product interactions and dependent tasks related to the failure in the installation of Client Side Extensions, manual steps to recover from this failure cannot be provided at this time.
To recover from this error, perform the following steps:
Restore the source domain from a backup, as described in the guide that applies to your source domain.
For Windows SBS 2003, see Backing up and Restoring Windows Small Business Server 2003.
For Windows SBS 2008, see Backing up and Restoring Windows Small Business Server 2008.
After you restore the source domain, reinstall Windows SBS 2011 Standard as described in the guide that applies to your migration.
If you are migrating from Windows SBS 2003, see Migrating to Windows Small Business Server 2011 Standard from Windows Small Business Server 2003.
If you are migrating from Windows SBS 2008, see Migrating to Windows Small Business Server 2011 Standard from Windows Small Business Server 2008.
You can also contact Microsoft Product Support to receive support in isolating the source of the failure so that you can correct it before restarting the migration process.