Issue: While attempting to install Rollup 1 (KB978297) for Forefront Security for Exchange Server SP2 on Small Business Server 2008 the installation fails and following error is generated: Installation Failure: Windows failed to install following update with error 0x80246007: Forefront for Exchange Software Update KB978297.
· Prior to running installation of Rollup 1 for Forefront Security for Exchange Server SP2 create following DWORD, ConcurrentLimit, under following key: HKLM\\System\\CurrentControlSet\\Services\\LicenseInfoSuites\\SmallBusiness.
· Set DWORD value of ConcurrentLimit to 750 (decimal) <save>
· Run installation for Rollup 1 for Forefront Server for Exchange SP2
· When installation is complete, delete DWORD value (ConcurrentLimit)