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Questions tagged [usn]

The USN Journal (Update Sequence Number Journal), or Change Journal, is a feature of NTFS which maintains a record of changes made to the volume. It is not to be confused with the journal used for the NTFS file system journaling.

The USN Journal (Update Sequence Number Journal), or Change Journal, is a feature of NTFS which maintains a record of changes made to the volume. It is not to be confused with the journal used for the NTFS file system journaling.

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Can't read USN journal non-stop

My goal is to read write operations from a chosen drive (usually C), using USN journal. In the next code I've written, I made a small class that processes USN records by using DeviceIoControl with the FSCTL_QUERY_USN_JOURNAL and FSCTL_ENUM_USN_DATA…
David Haim
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Estimate the number of USN records on NTFS volume

When the USN journal is used for the first time, the volume's entire set of USN records must be enumerated using the FSCTL_ENUM_USN_DATA control code. This is usually a lengthy operation. Is there a way to estimate the number of records on the…
Edmund
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File Reference Number in USN returning empty

I'm using this MSDN link to read USN records programatically. https://learn.microsoft.com/en-us/windows/win32/fileio/walking-a-buffer-of-change-journal-records Error: Exception thrown at 0x00007FFD58682666 (ucrtbased.dll) in Project1.exe:…
priyalsoni
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Enumerating the NTFS MFT: FSCTL_ENUM_USN_DATA and USN_RECORD_V3 support

I'm using FSCTL_ENUM_USN_DATA to enumerate over the NTFS MFT so that I may build a directory database based on USN_RECORD FileReferenceNumbers. I'm constructing this database so that I can monitor file changes on an NTFS drive by using the NTFS USN…
rawberry
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How can I change the maxver parameter of a drive's usn change journal?

I have an NTFS hard drive that I need to create a change journal on for my application. However I'm running into errors when attempting to use the created journal and I believe it's due to the maxver parameter that's set on the journal. When I run…
rawberry
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JNA Access NTFS USN (win32). How to get data form Memory object?

enum USN Data from memory, The result data is not correct. I don't know what to do public static void main(String[] args) throws IOException { // get c volume handle WinNT.HANDLE handle =…
cmp-cc
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Monitor deletions and changes on NTFS volume with MFT_ENUM_DATA

I'm using this code to fill a database of all the files on disk: TCHAR szVolumePath[_MAX_PATH] = L"\\\\.\\d:"; HANDLE hDrive = CreateFile(szVolumePath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, NULL,…
Basj
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Know the number of files / directories before doing a FSCTL_ENUM_USN_DATA

Before doing a USN journal / NTFS MFT files-enumeration with while (DeviceIoControl(hDrive, FSCTL_ENUM_USN_DATA, &med, sizeof(med), pData, sizeof(pData), &cb, NULL)) { // do stuff here med.StartFileReferenceNumber = *((DWORDLONG*) pData); …
Basj
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USN NFTS change notification event interrupt

I'm trying to find a way to let the system tell me whenever there's a new entry in the USN Change Journal to track modifications made to files and directories on an NTFS volume (Server 2008/2012). This way I don't have to constantly poll the journal…
captcha
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USN journal for hard links

If i have a directory with a few hardlinks all pointing to files outside the directory, will a change to one of the hardlinks affect the USN journal associated with the directory or will it affect the USN journal of the original directory which…
jester
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Can the USN Journal of the NTFS file system be bigger than it's declared size?

Hello fellow programmers. I'm trying to dump the contents of the USN Journal of a NTFS partition using WinIoCtl functions. I have the *USN_JOURNAL_DATA* structure that tells me that it has a maximum size of 512 MB. I have compared that to what…
Sebastian-Laurenţiu Plesciuc
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To get latest USN between all domain controllers

Is it possible to get latest USN between all domain controllers ? Get-ADReplicationUpToDatenessVectorTable -Target "domain.com" | select LastReplicationSuccess, Server, USNFilter | Sort-Object -Property LastReplicationSuccess -Descending | …
Manas Dash
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how to determine USN_RECORD version for usn journal?

I want to learn the principle of everything, and use usn logs to monitor the addition and deletion of system files. I wrote a piece of code under windows11, VS2019, Platform Toolset= (v142). But I found that record->Reason (USN_RECORD) always…
BoGe
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Create FILE_ID_DESCRIPTOR in Golang

I'm trying to create this structure in Golang - typedef struct FILE_ID_DESCRIPTOR { DWORD dwSize; FILE_ID_TYPE Type; union { LARGE_INTEGER FileId; GUID ObjectId; FILE_ID_128 ExtendedFileId; } DUMMYUNIONNAME; }…
Sushant
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USN_RECORD all values ok, except TimeStamp = 0?

Using below record structure and function I get the FileName,Reference Numbers,Versions etc. at high speed. (trying with Delphi, Win 7) Problem is that I don't get the file DateTime (TimeStamp.QuadPart = 0) I have added the working code. For testing…
Aura
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