Why Can't I Name a Folder aux in Windows 2003?

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In summary, Windows 2003 server does not allow folders to be named "aux" or other reserved words such as CON, COM1, NUL, or PRN. This is due to compatibility issues with older versions of the operating system. In *nix systems, these names are allowed but cannot be duplicated within the same folder. This information can be found in a discussion thread on the Microsoft public forum.
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Can't name a folder "aux"

I have windows 2003 server and whenever i attempt to name a folder "aux" it just switches back to the previous name not allowing me to have a folder named "aux". "aux2" is allowed. I thought this was curious.
 
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It must be some type of reserved word. Why the restriction? I have no idea, but it seems like Microsoft has hacked up their filesystem to be backwards compatibilty or something.

You also can't use: CON, COM1, NUL, PRN

In *nix all these devices would be under /dev so you don't have the filename restriction. You just can't create two files with the same in in the same folder.

I found the info here:

http://groups.google.com/group/micr...2003+aux+folder&rnum=2&hl=en#2e73b889b5232b37
 
  • #3


The reason you are unable to name a folder "aux" in Windows 2003 is because "aux" is a reserved keyword in the Windows operating system. This means that it is a special term used by the system for a specific purpose, and cannot be used for naming folders or files. Other reserved keywords include "con", "prn", "nul", and "com1" to "com9". These keywords are used for specific system functions, such as printing or communication with hardware devices. Using them for folder names could potentially cause conflicts and disrupt the functioning of the system. Therefore, it is not allowed to use these reserved keywords for naming folders or files in Windows 2003.
 

FAQ: Why Can't I Name a Folder aux in Windows 2003?

Why can't I name a folder "aux"?

The name "aux" is a reserved name in Windows operating systems. It is used as a code name for a virtual device that allows for data transfer between devices or programs. This means that any attempt to name a folder "aux" will result in an error message.

Can I use a different spelling for "aux" in folder names?

No, any variation of the word "aux" such as "auxiliary" or "auxiliary folder" will also result in an error message. This is because the reserved name applies to all variations of the word.

How can I get around the restriction of not being able to name a folder "aux"?

One workaround is to add a space or character after the word "aux" in the folder name. For example, "aux folder" or "aux_123". This will allow you to still use the word "aux" in the name without triggering the error message.

Are there any other reserved names I should be aware of when naming folders?

Yes, there are several other reserved names in Windows operating systems, such as "con", "prn", "nul", and "com1" to "com9". It is best to avoid using these names in folder names to prevent any potential issues.

Can I change a folder's name to "aux" after it has already been created?

No, once a folder has been created with a different name, it cannot be renamed to "aux". This is because the reserved name applies to the creation of the folder, not just the initial naming.

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