33454: MSI: Installation of Acronis Product Fails with "_USRCUSTACT_MsiVSSInstallPrepn_VSSProvider32" Install Error in MSI Log

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Installation of Acronis Product Fails with "_USRCUSTACT_MsiVSSInstallPrepn_VSSProvider32" Install Error in MSI Log. Start COM+, Distributed Transaction Coordinator and Volume Shadow Copy Service to solve this error.

Introduction

Installation of Acronis Product Fails with "_USRCUSTACT_MsiVSSInstallPrepn_VSSProvider32" install Error in the lines preceding "Return value 3", then it means that the COM+, Distributed Transaction Coordinator and Volume Shadow Copy Service have not been started.

Solution

Disabled Services Example from MSI Log:

MSI Cut Log

...
1: MSIGEN:MsiVSSCheck: Service "COMSysApp" is disabled.
1: MSIGEN:MsiVSSCheck: Service "MSDTC" is disabled.
1: MSIGEN:MsiVSSCheck: Service "VSS" is disabled.
1: MSIGEN:MsiVSSCheck: Internal UI has level 2.
1: MSIGEN:MsiVSSCheck: VSS_IGNORE_SERVICES property is equal to 0.
1: MSIGEN:MsiVSSCheck: Installation was canceled with disabled services.
Action ended 10:04:24: _USRCUSTACT_MsiVSSInstallPrepn_VSSProvider32. Return value 3.
Action ended 10:04:24: INSTALL. Return value 3.
...

Cause: The services necessary for installation are disabled:

  • COMSysApp – COM+ System Application
  • MSDTC – Distributed Transaction Coordinator
  • VSS – Volume Shadow Copy

All three services must be started during the product installation (Start -> Run -> services.msc -> right-click on the service and select Start).

More information

See Analyzing Installation Logs of Acronis Products Based on MSI Technology

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