The current, approved service pack must be installed.
Failure to install the most current Exchange service pack leaves a system vulnerable to exploitation. Current service packs correct known security and system vulnerabilities.
Update the system with the latest approved service pack or a supported release.
Open the Exchange Management Shell and enter the following command: Get-ExchangeServer | fl name, AdminDisplayVersion If the value of 'AdminDisplayVersion' does not return Version 14.2 (Build 247.5) or greater, this is a finding.