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Questions tagged [volume-shadow-service]

Volume Shadow Service (VSS), also called Volume Shadow Copy refers to a volume shapshot service built in to Microsoft Windows Operating Systems from XP or greater. Questions concerning the API should use this tag; you may also consider tagging your question Windows and the language of your choice.

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QDir Won't Show Symbolically Linked Shadow Copy Directory Contents Using EntryList()

Hi I have a very unique situation hopefully the solution is simple... I am writing a backup program that uses Volume Shadow Copy Service to freeze the state of files to be backed up. I cannot traverse the shadow copy directly using QDir set to the…
riverofwind
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VSS in C# NET DirectoryCopy Function

I am writing a class (based on a class library) that creates a RAMDisk, and every X minutes I need to backup the contents of the RAMDisk to a physical location due to volatility. It was suggested to use CopyFileEx, as apparently the .NET file copy…
user470760
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How can i call functions of an abstract base class in C++?

I am using VSS API and using this abstract base class CVSSWriter.I want to call its functions but I can't make its object. How should I inherit it because its a class defined in VSWriter.h Here is the link for information about its methods…
kunal
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Can I use the VSS ASR writer to create a bootable virtual disk image?

I'm researching the way to create a .VHD file that would be bootable in Hyper-V. Can I use the VSS ASR writer that's included in Windows 7 and Win 2k8 to do this?
kaes
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Getting a runtime error "procedure entry not found in vssapi.dll" when trying to run Volume Shadow Copy

The code compiles fine and I have included the vssapi.lib in the additional dependencies for the linker. I get this error saying "CreatevssbackupcomponentsInternal procedure entry point could not be found in vssapi.dll" And I get this error only…
roymustang86
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Backup of Exchange Server 2003,2007 using VSS API's

Can Exchange Server 2003 and 2007 be backup up using VSS API's that are provided for exchange 2010? Thanks
kunal
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How to mount drive to a volume shadow copy by DefineDosDevice?

I have created a volume shadow copy(eg \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy19) and I want to access the volume shadow copy by a device name(eg x:) in order to backup my system. I have tried the…
hoikin-yiu
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How do you create a Writable VSS Snapshot?

This implies you can create a writable vss snapshot: Usability limit for Volume Shadow Copy Service (VSS) in Windows But how do you do it? I've played around with things, I can get a FAT/FAT32 partition VSS snapshot to be writable by removing the…
df234987
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VssExpressWriter fails to add a folder into restore point

I'm trying to use VSS Express Writer to include one of my folders in the restore point when it is conducted. Although the code seem to runs without any errors I don't get the expected result and the folder isn't kept when i go back to restore point.…
Irad K
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Building a Volume Shadow Service app for release

How should an application that uses the Volume Shadow Copy service be built for release? I've been building and testing in Windows 7 and everything looks good so I built the app to test in Windows XP and I get an error on startup: The procedure…
JWood
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What is distinction between a C++ and COM interface for IVssExamineWriterMetadata?

According to https://learn.microsoft.com/en-us/windows/desktop/api/vsbackup/nl-vsbackup-ivssexaminewritermetadata: The IVssExamineWriterMetadata interface is a C++ (not COM) interface that allows a requester to examine the metadata of a specific…
Martin
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Unable to take differential backup using SQL Server VSS Writer

I have been trying to develop a tool to do backup/restore of MS SQL Server using SQL Server VSS Writer. I can not get the differntial backup working! I am just curious as to whether anyone ever made differential backup using VSS. Here is what I have…
aby paul
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how does physical disk read work with volume shadow for ntfs?

my goal is to make a backup program reading a physical disk (with NTFS partitions) while using VSS for data consistency. i use windows api's functions CreateFile with '\.\PhysicalDriveN' as described here (basically, it allow me to access a disk as…
The Teluri
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Using vssadmin through a batch command or powershell

I need to access a file that is open by another process all the time. The best way would be for me to use Windows Shadow Copy to create another copy of the file and then use the copied file. Does anyone know how to use vssadmin to create a backup…
Jason Anderson
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System Drives to Disk Cloning

I am trying to find a way to clone an active Windows system disk to another disk without forcing the user to take the disk offline, like Clonezilla requires. I am thinking of Microsoft Volume Shadow Copy Service (VSS) for at least part of the…
Sarah Weinberger
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