> Hello,
>
> > Part of the operations I need to do in this transaction include some
> > writing to the file system (deleting a file / creating a file).
> > There is no way to rollback changes to the file system correct?
>
> If you need to have transactional support on the file system, then you need
> to take a different approach than using DTC. Windows Vista and the future
> server operating system version of Vista ("Longhorn") does provide a
> technology called Transactional NTFS (TxF), which is using a feature called
> The Kernel Transaction Manager (KTM). Currently, there's no managed API
> wrapper for these APIs (as far as I know), although you could use P/Invoke
> to call these APIs. See here:
>
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/KTM/fs/ktm_start_page.asp
>
> My opinion is that if you require real transactions on the file system, then
> use KTM on Vista. Of course, that is easily more said than done because you
> probably require your application to work on Windows XP, Windows Server
> 2003, etc. as well. In that case, think about the approach used by many SQL
> databases like Microsoft SQL Server, which use an internal log file to
> implement transactions even though the operating system doesn't guarantee
> that file operations succeed.
>
> Hope this helps.
>
> --
> Regards,
>
> Mr. Jani Järvinen
> C# MVP
> Helsinki, Finland
> ja***@removethis.dystopia.fi
> http://www.saunalahti.fi/janij/