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Recommendation on disable the 8.3 Name Creation on NTFS Partitions

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若是您的檔案伺服器有以下特徵，我們建議您把作業系統 8Dot3 Name Creation 功能停用。
- 同一個資料夾下檔案數量多，像是超過 100,000 個
- 檔案的命名方式有同樣的邏輯性，舉例: 檔名前六個字元都是一樣的。

有這樣 File Structure 的伺服器您可以把作業系統 8Dot3 Name Creation 功能停用。
將 8Dot3 Name Creation 功能停用也可以提升 NTFS 效能。

註: Vista/Win 2008 以後的作業系統預設是把 8Dot3 功能停用的。

HOW TO
============
Windows Server 2003 and Windows XP
To disable the 8.3 name creation on all NTFS partitions, type fsutil.exe behavior set disable8dot3 1 at a command prompt, and then press ENTER.

Windows 2000 的部分沒有 fsutil 指令
您必須加機碼
您可以使用 reg add HKLMSYSTEMCurrentControlSetControlFileSystem /v NtfsDisable8dot3NameCreation /t REG_DWORD /d 0x1 /f

Windows 2000 and Windows NT
To disable the 8.3 name creation on all NTFS partitions, use the following steps: Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 (https://support.microsoft.com/kb/322756/ ) How to back up and restore the registry in Windows
1.    Start Regedt32.exe and locate the following registry key:
       HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlFileSystem
2.    Select the NtfsDisable8dot3NameCreation entry. 
       NOTE: By default, the value for this entry is set to 0.
3.    On the Edit menu, click DWORD. Type a value of 1 in the Data field.
4.    Click OK and then quit Regedt32.
5.    Quit Windows NT and turn off your computer.
6.    Restart your computer and Windows NT.

How to Disable the 8.3 Name Creation on NTFS Partitions
https://support.microsoft.com/kb/121007