To restore the old behavior, you can add the following setting to your web.config file to opt out of the new behavior. If the limit is reached, a warning will be logged in the event log, and an HTTP 500 response may be recorded in the IIS log. In the fix, we added a counter to track the queued requests and terminate the requests when they exceed a specified limit. If a page takes a long time to respond, it will significantly degrade server performance just by pressing F5 on the browser. NET Framework 4.6.2 and earlier, ASP.NET executes requests with the same Sessionid sequentially, and ASP.NET always issues the Sessionid through cookies by default. Throttle concurrent requests per session Details

HtmlTextWriter.RenderBeginTag(HtmlTextWriterTag).

NET Framework in order to get the old behavior. NET Framework 4.6 or later, so another option is to target a previous version of the. Note that this behavior change only affects apps that target the. If an app depended on the extra tag, RenderBeginTag(String) should be called a second time. NET Framework 4.6, calling RenderBeginTag(String) and RenderEndTag() with a element will correctly insert only one (instead of two) Suggestion NET Framework 4.5.1 to 4.7, review the following topics for application compatibility issues that may affect your app: ASP.NET HtmlTextWriter does not render element correctly Detailsīeginning in the.

.net 4.5.1 ocx files