What is the earliest version of Windows Server that a Sensor is compatible with?

Question

Options

• AServer 2012
• BServer 2003
• CServer 2008 R2 SP1
• DServer 2008

• A
  2% (1)
• B
  2% (1)
• C
  93% (50)
• D
  4% (2)

Explanation

Server 2008 R2 SP1 is the earliest supported version because CrowdStrike Falcon Sensor requires the Windows kernel features and security APIs introduced in that release - specifically, the SP1 service pack is mandatory, not just Server 2008 R2 alone.

• Option D (Server 2008) is wrong because the base Server 2008 release lacks the kernel-level hooks and service pack updates required by the Sensor; only the R2 SP1 variant qualifies.
• Option A (Server 2012) is a supported version, but it is not the earliest - it came after 2008 R2 SP1, making it a later floor, not the minimum.
• Option B (Server 2003) is wrong because that OS is far too old and reached end-of-life long before modern EDR sensors were designed; it lacks the necessary kernel architecture entirely.

Memory tip: Think "R2 SP1 = Really 2 Steps required" - you need both the R2 revision and Service Pack 1; neither Server 2008 alone nor a missing SP1 will work, and anything older than that is simply off the table.

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