Exchange 2007 SP1 RU4 has been validated for HMC 4.0.
On a monthly basis, the HMC test team will conduct a Windows update compatibility test (where the major roll-ups and updates will be tested) on different versions of HMC environment.
Windows update compatibility test (Exchange 2007 SP1 RU4 was included in this test) on HMC 4.0 has completed successfully. This means Exchange 2007 SP1 RU4 has been validated for HMC 4.0.
