This article was previously published under Q208427
Microsoft Internet Explorer has a maximum uniform resource locator (URL) length of 2,083 characters. Internet Explorer also has a maximum path length of 2,048 characters. This limit applies to both POST request and GET request URLs.
If you are using the GET method, you are limited to a maximum of 2,048 characters, minus the number of characters in the actual path.
However, the POST method is not limited by the size of the URL for submitting name/value pairs. These pairs are transferred in the header and not in the URL.
RFC 2616, "Hypertext Transfer Protocol -- HTTP/1.1," does not specify any requirement for URL length.
For a further breakdown of the components, see the Wininet header file.
For more information, see "General Syntax," section 3.2.1 of RFC 2616, "Hypertext Transfer Protocol -- HTTP/1.1," at the following Internet Society Web site:
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 (Programming) 6.0, Microsoft Internet Explorer 5.5, Microsoft Internet Explorer 5.01, Microsoft Internet Explorer 5.0, Microsoft Internet Explorer 4.01 Service Pack 2, Microsoft Internet Explorer 4.0 128-Bit Edition