Certain special characters are not allowed in the URL entered into the address bar of Internet Explorer
Source: Microsoft Support
RAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION.
When you use the address bar of Internet Explorer 6.0 or later to enter a username and password to access an FTP site, and the format of the URL you enter is ftp://username:password@domain, the following error message is displayed:
Windows cannot find ' ftp://username:password@domain'. Check the spelling and try again.
Either the username or the password contains any one of the characters:
: # ? / \ %
This behavior is by design.
If the username or password needs to contain any one of the characters listed in the Cause section, you will need to encode the special characters in the following way:
# -> %23
/ -> %2F
: -> %3A
? -> %3F
\ -> %5C
% -> %25
Consider the following example.
A user with the username "jdoe" and a password of "Sure?" who wants to access an FTP site on a server called "ftpserver".
When the user tries to access the site using Internet Explorer and enters ftp://jdoe:Sure?@ftpserver into the address bar, the access will fail and the error message described above will be displayed.
However, when the user enters ftp://jdoe:Sure%3F@ftpserver in the address bar, he or she will successfully access the FTP server.
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Article ID: 969869 - Last Review: 08/19/2011 12:57:00 - Revision: 2.1
Windows Internet Explorer 9, Windows 7 Enterprise, Windows 7 Enterprise N, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Home Premium N, Windows 7 Professional, Windows 7 Professional N, Windows 7 Starter, Windows 7 Starter N, Windows 7 Ultimate, Windows 7 Ultimate N, Windows Internet Explorer 8, Windows Internet Explorer 7, Microsoft Internet Explorer 6.0
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