UDI Stage Reference

The MDT deployment scenarios use one or more UDI stage. Each UDI stage used in the MDT deployment scenarios is discussed in a subsequent section in the context of the MDT deployment scenario. In some MDT deployment scenarios, only one stage is used. In other MDT deployment scenarios, multiple stages are used within the scenario. For more information on the MDT deployment scenarios, see the section, Identifying Deployment Scenarios, in the MDT document Using the Microsoft Deployment Toolkit.

Table 12 lists the MDT deployment scenarios and provides a brief description of each, how each scenario is selected, and which UDI stages are used in each deployment scenario. MDT automatically determines which MDT deployment scenario to use based on the MDT task sequence template you use to create your task sequence and on how the task sequence is initiated.

Each UDI stage used in the MDT deployment scenarios is discussed in a subsequent section in the context of the MDT deployment scenario. In some MDT deployment scenarios, only one stage is used. In other MDT deployment scenarios, multiple stages are used within the scenario. For more information on the MDT deployment scenarios, see the section, Identifying Deployment Scenarios, in the MDT document Using the Microsoft Deployment Toolkit.

Table 12. MDT Deployment Scenarios and UDI Stages

Scenario	Description
New Computer	MDT for UDI automatically selects this scenario when you: · Create the advertised task sequence using the User-Driven Installation Task Sequence task sequence template · Start the task sequence in Windows PE using PXE boot, task sequence boot media, or prestaged media for the NEWCOMPUTER.Prestaged stage This scenario can be used with traditional deployments or with prestaged media deployments as supported in Configuration Manager 2012 or Configuration Manager 2007 R3. Run the UDI Wizard with the following UDI stages to support each type of deployment: · NEWCOMPUTER stage. The UDI Wizard is run with this stage in the User-Driven Installation Task Sequence task sequence when the operating system image is stored on distribution points. For more information, see NEWCOMPUTER Stage. · NEWCOMPUTER.Prestage stage. The UDI Wizard is run with this stage in the User-Driven Installation Task Sequence task sequence when the operating system image is stored on a local disk on the target computer (prestaged). For more information, see NEWCOMPUTER.Prestaged Stage.
Refresh Computer	MDT for UDI automatically selects this scenario when you: · Create the advertised task sequence using the User-Driven Installation Task Sequence task sequence template · Start the task sequence in the existing Windows operating system on the target computer (not in Windows PE) The UDI Wizard is run with the REFRESH stage to support this deployment scenario. For more information, see REFRESH Stage.
Replace Computer	This scenario includes an existing computer and a replacement computer. A separate task sequence is created and run on each computer as described in the following process: · On the existing computer. MDT for UDI automatically selects this portion of the scenario when you: · Create the advertised task sequence using the User-Driven Installation Replace Task Sequence task sequence template · Start the task sequence in the existing Windows operating system on the target computer (not in Windows PE) The UDI Wizard is run with the following UDI stages to support this deployment scenario: · REPLACE stage. This stage is run in the existing Windows operating system and captures configuration information from within Windows. · REPLACE.WinPE stage. This stage is run in Windows PE and completes the capturing of configuration information from the existing computer—for example, running USMT and capturing the user state migration data. The user state is captured to a network shared folder or to a local USB drive. For more information on the REPLACE and REPLACE.WinPE stages, see REPLACE and REPLACE.WinPE Stages. · On the replacement computer. This portion of the scenario is identical to the New Computer scenario, except that the user state captured in the previous step is restored. MDT for UDI automatically selects this portion of the scenario when you: · Create the advertised task sequence using the User-Driven Installation Task Sequence task sequence template · Start the task sequence in Windows PE using PXE boot, task sequence boot media, or prestaged media for the NEWCOMPUTER.Prestaged stage. This portion of the scenario can be used with traditional deployments or with prestaged media deployments as supported in Configuration Manager 2012 or Configuration Manager 2007 R3. As a part of this portion of the scenario, the user state migration data is restored. The UDI Wizard is run with the following UDI stages to support each type of deployment: · NEWCOMPUTER stage. The UDI Wizard is run with this stage in the User-Driven Installation Task Sequence task sequence when the operating system image is stored on distribution points. For more information, see NEWCOMPUTER Stage. · NEWCOMPUTER.Prestage stage. The UDI Wizard is run with this stage in the User-Driven Installation Task Sequence task sequence when the operating system image is stored on a local disk on the target computer (prestaged). For more information, see NEWCOMPUTER.Prestaged Stage.