Microsoft Agent

Understanding user agent strings Internet ExplorerUpdated July 2. Here we discuss the user agent string, which identifies your browser and provides certain system details to servers hosting the websites you visit. Well also learn how to view your user agent string, understand tokens used by recent versions of Windows Internet Explorer, and understand. Well cover these sections. Introduction. When you visit a webpage, your browser sends the user agent string. This string indicates which browser youre using, its version number, and details about your system, such as operating system and version. The web server can use this information to provide content that is tailored for your specific browser. Because certain non Microsoft sites add details to the user agent string, its important to understand the user agent string. Here well explain the user agent string, list the values from recent Internet Explorer versions, and document registry keys that modify the user agent string. Understanding the user agent string. When you request a webpage, your browser sends a number of headers to the server hosting the site that youre visiting, as shown here. Accept texthtml, applicationxhtmlxml, Accept Language en US. User Agent Mozilla5. Windows NT 6. 3 Trident7. Gecko. Accept Encoding gzip, deflate. Sql Server Database Recovery Tool. Proxy Connection Keep Alive. Host microsoft. com. These headers occur during a negotiation process that helps the browser and the hosting server determine the best way to provide the requested information. The user agent header identifies the application requesting the information from the server, typically a browser. This identification string is called the user agent string and contains tokens that provide specific details about the program making the request. Tokens vary among programs the tokens in the Internet Explorer user agent string describe the browser, the operating system, and the current browser mode. Starting with IE1. To learn more, see Compatibility changes in IE1. This table describes the tokens in a user agent string shown in the example. Token. Description. Mozilla5. 0. Application name and version. For historical reasons, Internet Explorer identifies itself as a Mozilla browser. BMW.jpg' alt='Microsoft Agent' title='Microsoft Agent' />Should I remove Microsoft Monitoring Agent by Microsoft Learn how to remove Microsoft Monitoring Agent from your computer. THIS TOPIC APPLIES TO SQL Server starting with 2012 Azure SQL Database Azure SQL Data Warehouse Parallel Data Warehouse. The topics in this section describe the. Windows NT 6. 3. The Platform token identifies the operating system and version. The example token indicates Windows 8. Trident7. 0. The Trident token identifies the version of MSHTML Trident. The revision token indicates the version of IE1. Gecko. The Gecko token has been added to highlight improved consistency with other browsers. Note that this example applies to IE1. Earlier versions of the browser reported user agent strings like this. Mozilla5. 0 compatible MSIE 9. Filemaker Pro 9 Windows Torrent. Windows NT 6. 1 Trident5. The tokens here refer to the following. Token. Description. Mozilla5. 0. Application name and version. For historical reasons, Internet Explorer identifies itself as a Mozilla browser. Compatibility flag token. It indicates that Internet Explorer is compatible with a set of common features. MSIE 9. 0. The Version token identifies the browser and contains the version number, as reported by the current browser mode. The example value indicates Windows Internet Explorer 9. Windows NT 6. 1. The Platform token identifies the operating system and version. The example token indicates Windows 7. Trident5. 0. The Trident token identifies the version of MSHTML Trident and can be used to determine whether or not the webpage is displayed in Compatibility View. For these examples, the user agent is Internet Explorer. Other programs also act as user agents and provide their own user agent strings. One of the new features announced recently for Windows Azure Infrastructure Services is the VM Agent. The VM Agent is a light weight process intended to. For example, the Windows RSS Platform provides the following user agent header when requesting RSS data. Windows RSS Platform2. IE 1. 1. 0 Windows NT 6. Note that the user agent string changed as of IE1. Earlier versions of the Windows RSS Platform returned this string. Windows RSS Platform2. MSIE 9. 0 Windows NT 6. Like the user agent string for Internet Explorer, this user agent header provides details about your system. Alternate tokens can appear in the user agent string for a number of reasons usually, they identify optional features installed on your system. For example, an SV1 token appears in the user agent string of a Windows XP user who has installed Windows XP Service Pack 2 SP2. Its also important to note that certain non Microsoft parties modify the user agent string for their own purposes. As of Internet Explorer 9, alternate tokens are handled differently from earlier versions of the browser. To learn more, see User agent registry keys. Important  The user agent string can vary greatly from version to version of the browser. As a result, it is not a reliable mechanism for determining the browser used to display a webpage. Instead, learn to detect features instead of browsers. Note  To protect your privacy, periodically review your user agent string and verify its contents. For info about other headers communicated to web servers, see RFC2. Section 1. 4 Header Field Definitions. Viewing the user agent string. Applications can use the user. Agent property of the navigator object to determine the user agent string. You can use this information to view the user agent string. To do so, type the following into the address bar of your browser. Agent. This code example is case sensitive. When you do this, a dialog box displays your user agent string. Tip  If youre using a recent version of Windows, you can copy your user agent string to the Clipboard by pressing CtrlC before you close the dialog box. For best results, user agent strings should not be longer than 2. Internet Explorer user agent tokens This section summarizes the tokens used by recent versions of Internet Explorer, which places three tokens in the user agent string by default. Version tokens. Platform tokens. Feature tokens. Trident token. Version tokens. In general, version tokens begin with MSIE and are followed by the version number of the browser. Many pre release versions append the letter b to the version number. Note  Starting with IE1. Starting with Windows Internet Explorer 8, the version token reported in the user agent string might not reflect the actual version of the browser. If Compatibility View is enabled for a webpage or the browser mode is set to an earlier version, the version token reports the earlier version. For example, if youre using Internet Explorer 9 to view a webpage in Compatibility View, the version token is, by default, MSIE 7. This means that the version token represents the way Internet Explorer is presenting itself to the web server. As of Internet Explorer 8, the Trident token more accurately represents the version of the browser. This table lists the version tokens used in recent versions of Internet Explorer. Version token. Description. MSIE 1. 0. 0. Internet Explorer 1. MSIE 9. 0. Internet Explorer 9. MSIE 8. 0. Internet Explorer 8 or IE8 Compatibility ViewBrowser Mode. MSIE 7. 0. Windows Internet Explorer 7 or IE7 Compatibility ViewBrowser Mode. MSIE 6. 0. Microsoft Internet Explorer 6. Platform Tokens. Platform tokens describe your operating system. The following table lists Internet Explorer platform tokens for the last several versions of Windows. Platform token. Description. Windows NT 6. 3. Windows 8. Windows NT 6. 2. Windows 8. Windows NT 6. 1 Windows 7. Windows NT 6. 0 Windows Vista. Windows NT 5. 2 Windows Server 2. Windows XP x. 64 Edition Windows NT 5. Windows XPWindows NT 5.