site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. I suggest you put Fiddler in between your server and your download client. Where is return path for Electrostatic Discharge(ESD)? The same request in IIS shows sc-win32-status as 64, sc-status as 200 and sc-substatus as 0. and the time-taken value is normal. David Klein's Corner: ASP.NET double-postback bug strikes again! When you try to access content on a server that is running Internet Information Services (IIS) 7.0 or later versions by using FTP, IIS returns a numeric code that indicates the status of the response. I am experiencing a similar problem with IIS and some mysterious 200 0 64 lines appearing in the log file, which is how I found this post. Everytime issue happens with this page which is POST resulting in SC-win32-status as 64. [^] Any thoughts on why I might be getting tons of "hangs" when trying to download a file via HTTP, based on the following? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Home I noticed that it happens once you are loged in and you have login cookie, as soon as I delete login cookie, site works again. 4. THE FIX: I tried to find whether there is any IMG tag with src as blank using jquery in the browser console after the page loads but it showed no match. Do you need your, CodeProject, Sites are served to mobile browsers. Chances are they have and don't get it. Understand that English isn't everyone's first language so be lenient of bad 1. We tried to investigate this and found below things: It works fine in UAT environment, but in the production when my customer hit the web, the server consume 100% cpu and memory. How does a microcontroller "remember" a program? IIS 7 and Above Don't tell someone to read the manual. We have multiple web sites. Describes the FTP status codes in IIS 7.0. I'm not sure how or why this was causing a problem, but there it is. sc-win32-status 64 means The specified network name is no longer available Thank you very much for providing inputs. +1 416-849-8900 x 100. For the record, this is my understanding of sc-win32-status=64; I hope someone can correct me if I'm wrong. may have a tendency to do this more often than individual clients. IIS Timeouts in logs error 302 and sc-win32-status 64, Last post Mar 18, 2019 02:07 AM by Jalpa Panchal, Since 15 days ago, my site started to experience wierd timeouts. Your valuable inputs in this regard shall be highly appreciated. 0. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. This just solved my problem. https://tools.ietf.org/html/rfc2616#section-8.2.3. Often this happens if there is a lack of response at the client end from the last byte being sent out. A short term fix is to disable http/2. Me think. 2. I did use a couple of network monitoring tools to look at low-level traffic. I have deployed WCF services on IIS 7.5. What's the difference between "j'ai un rêve" and "j'ai fait un rêve" ? IIS.NET Forums When I try to connect my production page, my brower just silense and I found sc-status=200 and sc-win32-status=64 in my iislog. I hope that this explanation will at least save someone else's time. Hi All, Our web server is running win 2008 R2, IIS 7.5.7600.16385. FreeBSD performance tuning: Sysctl parameter, loader.conf, kernel. I'm using cloudflare and users get 524 errors. Your valuable inputs in this regard shall be highly appreciated. So far we did not find such issues with our html. For now, we have noticed it happening occasionally on the same server say once in 10 -15 days and we notice the same in couple of other servers. This site is managed for Microsoft by Neudesic, LLC. Its dirving me crazy. I have an application running on Windows Server 2003 R2 64-bit with SP2 applied that is encountering a number of HTTP 400 errors with sc-win32-status of 64. When I try to connect my production page, my brower just silense and I found sc-status=200 and sc-win32-status=64 in my iislog. This site is managed for Microsoft by Neudesic, LLC. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. (sc-status=200 and sc-win32-status=64) For my case, I have a new web application version. (sc-status=200 and sc-win32-status=64) For my case, I have a new web application version. Per investigations we found the same behaviour outlines at. ] After IIS has sent the final response to the client, it waits for an ACK message from the client. It's a ColdFusion page (doesn't happen with a .txt or .aspx file), The url is rewritten with the URL Rewrite module (e.g. The only difference between a working one and non working one is IIS is not responding with 100-continue in failed case and is responding with 100-continue in a working case as we see it in wireshark capture. Sometimes clients will reset the connection instead of sending Wierd thing is that we havent changed anything in code for long time. In my particular case, the problem was that the NetScaler had a feature called "Intergrated Caching" turned on (http://support.citrix.com/proddocs/topic/ns-optimization-10-5-map/ns-IC-gen-wrapper-10-con.html).