HP Application Recovery Manager software Integration guide (March 2008)

However, the production application as well as the backup application must conform
to the VSS specification.
Figure 2 on page 25 and Figure 3 on page 26 show the differences between the
traditional backup model and the model with the Application Recovery Manager
Microsoft Volume Shadow Copy integration.
Integrating the Application Recovery Manager ZDB integrations and Microsoft Volume
Shadow Copy Service
24