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Problem: C:\ProgramData\Application Data\ ... \Application Data\Application Data

  • Product Version:
TelsysPro: All
TelsysStandard: All
OS: Windows Vista
  • Problem Description:
When performing a file backup, the following warning message is received in the backup report:

 
Backup Logs
 No.  Type  Timestamp  Backup Logs
1 Info YYYY/MM/DD hh:mm Start [ Windows Vista (AhsaySupport), AhsayOBM 5.x.x.x ]
2 Info YYYY/MM/DD hh:mm Start running pre-commands
3 ...  ...  ...
Warn YYYY/MM/DD hh:mm "C:\ProgramData\Application Data\Application Data\Application Data\Application Data\
Application Data\Application Data\Application Data\Application Data\Application Data\
Application Data\Application Data\Application Data\Application Data\Application Data\
Application Data\Application Data\Application Data\Application Data\Application Data\
Application Data\Application Data\Application Data\Application Data\Application Data\
Application Data\Application Data\Application Data\Application Data\Application Data\
Application Data\Application Data\Application Data" The name of the file cannot be resolved by
the system.

or the backup client is backing up the same data continuously (in a infinite loop of Application Data).
  • Cause:
The path "C:\ProgramData\Application Data\" is actually a NTFS junction point of Vista.

Microsoft Windows Vista includes a number of folders which are actually links (NTFS junction point) to other folders. In some cases they are recursive links which link back to one of their own parent folders. This effectively means that these folder contains an infinite number of child folders.
  • Resolution:
You need to perform backup on the actual location of the affected data, instead of the NTFS junction point that leads to them.

To view the actual location of all junctions that are on the corresponding machine, please follow the instructions below:

  1. Open a command prompt window

  2. Navigate to the root C:\ directory

  3. Enter the following command to recursively view all junctions on the corresponding hard drive:

    Example:
    >dir /aL /s > junction.txt

    Notes:
    The result will be output to a text file called junction.txt

  4. Open the junction.txt file and you should see entries similar to the following:

    Example:
    Directory of C:\ProgramData

    DD/MM/YYYY  hh:mm    <JUNCTION>     Application Data [C:\ProgramData]
    DD/MM/YYYY  hh:mm    <JUNCTION>     Desktop [C:\Users\Public\Desktop]
    DD/MM/YYYY  hh:mm    <JUNCTION>     Documents [C:\Users\Public\Documents]
    DD/MM/YYYY  hh:mm    <JUNCTION>     Favorites [C:\Users\Public\Favorites]
    DD/MM/YYYY  hh:mm    <JUNCTION>     Start Menu [C:\ProgramData\Microsoft\Windows\Start Menu]
    DD/MM/YYYY  hh:mm    <JUNCTION>     Templates [C:\ProgramData\Microsoft\Windows\Templates]


  5. According to the junction.txt file, modify the backup source of the affected backup set to perform backup on the actual location of the data
  • Also See:
  • Other Info:
N/A
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