The following summarizes the system hardware requirements, and software and deployment requirements for installing Forefront Unified Access Gateway (UAG).
Hardware requirements
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Hardware
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Minimal requirements
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Processor
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2.66 gigahertz (GHz) or faster processor. Dual core CPU
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Memory
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4 GB
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Hard drive
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2.5 gigabyte (GB) (in addition to Windows requirements)
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Software and deployment requirements
Software and deployment requirements are as follows:
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Forefront UAG can be installed on computers running the Windows Server 2008 R2 Standard or Windows Server 2008 R2 Enterprise 64-bit operating systems. For information about Windows Server 2008 R2, see Evaluating Windows Server 2008 R2.
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Remote installation of Forefront UAG from a network location is not supported. You can run setup from a local folder accessed over a Remote Desktop Connection using IPv4. An IPv6 connection is not supported.
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If you want to deploy an array of multiple Forefront UAG servers, each server that will join the array must be installed as a domain member before beginning Forefront UAG installation.
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Forefront UAG must be installed on a computer with two network adapters.
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The computer on which you are installing Forefront UAG should have a clean Windows Server 2008 R2 installation, with no other applications installed on it.
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By default, Forefront Threat Management Gateway (TMG) is installed during Forefront UAG Setup.
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When installing Forefront UAG, you must have administrator permissions on the local server. You must also be a domain user in the domain to which the Forefront UAG server belongs.
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If the Forefront UAG server is a member of a workgroup, ensure that a DNS suffix is defined for the workgroup.
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Forefront UAG is supported on Hyper-V running on computers with Windows Server 2008 with SP2, or Windows Server 2008 R2. Both host and guest operating systems must be 64-bit.