Error: Volume Shadow Service API missing

[fsarrazin]

i have a few user who get this error when trying to sync PST files when their outlook is running. (BTW, the OS is in french, if you need translation, let me know).

OS: Win7 SP1
SFFS version: 4.97, Build 340

extract from log:
============================
C:\Users\athibault\Documents\Fichiers Outlook\archive2009.pst La copie sera réessayé après la création du Volume Snapshot (3)
C:\Users\athibault\Documents\Fichiers Outlook\athibault@graymont.com.pst La copie sera réessayé après la création du Volume Snapshot (3)

Starting volume snapshot for C:\ (method: External with default writers)
Error: Volume Shadow Service API missing. Must run as Administrator. (method: External with default writers)

Starting volume snapshot for C:\ (method: Internal)
Error: Volume Shadow Service API missing: VSS Error Code 80070005 Must run as Administrator. (method: Internal)

Starting volume snapshot for C:\ (method: External with standard writers)
Error: Volume Shadow Service API missing. Must run as Administrator. (method: External with standard writers)

Could not use volume shadow copying for C:\, error: Volume Shadow Service API missing. Must run as Administrator.
=====================================

[superflexible]

This means that the program must be run "As Administrator". If you are using the scheduler, it must be installed as a service.

Alternatively, you can install the new English version 5 where Admin privileges are no longer needed to use the Volume Shadow service.

[fsarrazin]

Sound good ans it make sens. thank you. Will give it a try and post the result.