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This article describes why the URL of a subsite may appear in uppercase even though you used lowercase when you created the subsite in Microsoft Office SharePoint Server 2007.
Consider the following scenario:
In SharePoint Server 2007, you create some subsites in a Web site that is based on a publishing template.
You use lowercase for the URLs when you create the subsites.
You browse to the subsites by using the URL in the navigation pane of the Web site's home page.
In this scenario, the URLs of the subsites are displayed in uppercase.
This behavior occurs because the navigation functionality in SharePoint Server 2007 depends on an underlying cache that is shared by many features. The cache converts all URLs to uppercase to perform a case-insensitive hash operation. Then, the cache stores the uppercase URLs to avoid performing repeated uppercase conversions. Therefore, in certain situations, uppercase URLs are displayed in the rendered navigation links.
For more information about SharePoint Server 2007, visit the following Microsoft Web site: