Uninstalling and rolling back Forefront UAG SP1

This topic describes how to roll back Forefront Unified Access Gateway (UAG) SP1. To uninstall Forefront UAG SP1, see Uninstalling Forefront UAG

You can roll back Forefront UAG if you previously installed SP1 on Forefront UAG RTM, Update 1, or Update 2.

Important:
If you installed Forefront UAG SP1 (RTM) on SP1 (RC), you cannot roll back your installation even though the Installed Updates list contains entries for Forefront UAG SP1 (RTM) and SP1 (RC).

Note:
If during the installation of SP1 you click Cancel, Setup tries to roll back your installation. If the rollback is unsuccessful, you may be prompted to restart your computer. However, after restarting your computer, your pre-SP1 installation will not work. To resolve this, do the following: Go to the ...\Microsoft Forefront Unified Access Gateway\Common\Bin\ folder and rename ConfigMgrCom.exe.bak to ConfigMgrCom.exe Change the Microsoft Forefront UAG Configuration Manager service from Disabled to Automatic. Restart the computer. Activate the configuration. You can now try again to install SP1.

Note:

If during the installation of SP1 you click Cancel, Setup tries to roll back your installation. If the rollback is unsuccessful, you may be prompted to restart your computer. However, after restarting your computer, your pre-SP1 installation will not work. To resolve this, do the following:

Go to the ...\Microsoft Forefront Unified Access Gateway\Common\Bin\ folder and rename ConfigMgrCom.exe.bak to ConfigMgrCom.exe
Change the Microsoft Forefront UAG Configuration Manager service from Disabled to Automatic.
Restart the computer.
Activate the configuration.

You can now try again to install SP1.

To roll back Forefront UAG

On the server from which you want to roll back from Forefront UAG SP1, click Start. In the Start menu, click Control Panel.
In the Control Panel, click Programs, and then in the Programs dialog box, click View installed updates.
In the Installed Updates list, select Microsoft Forefront Unified Access Gateway (UAG) SP1, and then click Uninstall.

When the roll back is complete, you can continue using your previous Forefront UAG installation.

Uninstall support

Uninstall support is summarized in the following table.

Installation scenario	Uninstall scenario	Support details	Uninstall details
Install SP1 RTM as an update on a Forefront UAG server not running an earlier version of the service pack	Uninstall Forefront UAG or SP1 RTM	Supported	Uninstall SP1 from the Installed Updates list in Programs and Features in the Control Panel. Uninstall Forefront UAG and SP1 from Programs and Features in the Control Panel.
Install SP1 RTM as an update on a Forefront UAG server on which the SP1 RC update is installed	Uninstall Forefront UAG and service pack	Supported	Uninstall SP1 from Programs and Features in the Control Panel.
	Uninstall SP1 RTM and return to an SP1 RC configuration	Unsupported	You cannot roll back your installation to SP1 RC even though entries for SP1 RC and SP1 RTM exist in Installed Updates list in the Control Panel.
	Uninstall all versions of the service pack and return to a pre-service pack configuration	Supported	Do this as follows: Uninstall SP1 RTM from the Installed Updates list in Programs and Features in the Control Panel. To ensure that the Forefront UAG server is in a stable state after the uninstall, do the following: Open the common\bin\da folder in the SP1 installation folder. Open an elevated command prompt. Run regsvr32SmbFilter.dll Start the Forefront TMG Firewall service. Then open uninstall SP1 RC from the Installed Updates list in Programs and Features in the Control Panel. Note that in the Installed Updates list the SP1 updates might be displayed twice. When uninstalling the service packs, select the first entry for in each case.
Install Forefront UAG with integrated SP1 (RTM) on a server that has not had Forefront UAG previously installed	Uninstall Forefront UAG and SP1 Uninstall Forefront UAG and the service pack	Supported	Uninstall SP1 from Programs and Features in the Control Panel.
Install Forefront UAG with integrated SP1 (RTM) on a server that has Forefront UAG with integrated SP1 (RC) installed	Uninstall SP1 RTM only	Unsupported	If you inadvertently remove only the service pack using Installed Updates list in Programs and Features in the Control Panel, you might encounter a dll error when you try to open the Forefront UAG Management console after the uninstall. To return the server to a working state do the following: Open the Microsoft Unified Access Gateway\common\bin folder in the SP1 RC installation folder. Copy the CertManagement.dll to the common\bin folder in the Forefront UAG installation folder.