Backup job fails with a SQL VSS Writer error after installing ACT! Software

Article Applicability This article is only applicable to a scenario involving all four of the following: 1. A Backup Job using Application-Aware Processing 2. A Guest OS with ACT! Software Installed 3. This VSS error: Writer's state: VSSWSFAILEDATPREPARESNAPSHOT. Error code: 0x800423f4. 4. This...