Network I O Error 64
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is no longer available” while browsing Internet through ISA Server 2006 ★★★★★★★★★★★★★★★ Yuri Diogenes [MSFT]November 23, 20086 Share 0 0 1. Another error 64? After posting one of the reasons why error 64 the specified network name is no longer available ISA Server 2006 can come up with the generic error 64 in one of my
System Error 64 Has Occurred The Specified Network Name Is No Longer Available
posts, some readers asked me if this is the ultimate reason for this error. The answer is: it is not! Since the error the specified network name is no longer available sql server 2012 64 is generic it needs to be carefully interpreted, my previous post about this error mentions the “error 64” with the message: “host not available”. This post will explain in more details why the error message below error_netname_deleted showed in the ISA Server 2006 Logging could occur while you are browsing Internet. Figure 1 – Another error 64. The error above was caught while the user was trying to browse www.fabrikam.com and download the Windows XP SP2 file. To simulate this problem I used the following lab: Figure 2 – Lab used to simulate this problem. 2. Understanding the nature of this error The 64: "The specified network name
The Specified Network Name Is No Longer Available Server 2008
is no longer available" is a win32 error originally called ERROR_NETNAME_DELETED, this error is mapped in the winerror.h as: // // MessageId: ERROR_NETNAME_DELETED // // MessageText: // // The specified network name is no longer available. // In the network level, this problem could be cause by: Network connectivity problems have various causes, but they typically occur because of incorrect network adapters, incorrect switch settings, faulty hardware, or driver issues. Some connectivity symptoms are intermittent and do not clearly point to any one of these causes. Per KB325487. Which means that is more under the TCP/IP level, which is controlled by the Windows OS rather than ISA Server itself. 3. Simulating the Problem To simulate this problem I used a tool called Network Emulator for Windows and added high latency and random packet loss. Besides I also used the Web Application Stress Tool to add more load to my web server and really simulate a situation where server is busy. Now let’s take a look in the netmon trace got from the external interface of the ISA Server: ISA Server sends the HTTP GET for the destination server: 12:39:13.355 192.168.1.113 192.168.1.95 HTTP HTTP:Request, GET / - Http: Request, GET / Command: GET + URI: / ProtocolVersion: HTTP/1.1 Via: 1.1 ISACONTN1 If-None-Match: "304054985f13c91:4b2" UserAgent: Mozilla/4.0 (compatib
files to process from a file server (also a Windows 2000 server). Occasionally the application stops with the error_netname_deleted iis log following message I/O Error 64. Looking it up on MSDN it translates the specified network name is no longer available iis to 64 The specified network name is no longer available. ERROR_NETNAME_DELETED If we examine the drive mappings after
The Specified Network Name Is No Longer Available Server 2012
such an event the mappings are still set. Any ideas and suggestions to solve this sourios problem would be much appreciated. Thank you, William T. D'Silva Alex Delphi https://blogs.technet.microsoft.com/yuridiogenes/2008/11/23/error-64-the-specified-network-name-is-no-longer-available-while-browsing-internet-through-isa-server-2006/ Developer Sat, 13 Dec 2003 16:09:57 GMT Re:IO Error 64 Quote"William T. D'Silva" wrote: > Hello there: > We have a real time system written in Delphi and running under Windows 2000 > Advanced Server. > It accesses files to process from a file server (also a Windows 2000 > server). Occasionally the application stops with the following message http://www.delphigroups.info/2/ba/479777.html I/O > Error 64. > Looking it up on MSDN it translates to > 64 The specified network name is no longer available. ERROR_NETNAME_DELETED > If we examine the drive mappings after such an event the mappings are still > set. > Any ideas I think it signifies that "specified network name is no longer available" :) due to some (temporary) network error. Reopen your files and go ahead. Alex. John Shar Delphi Developer Sat, 13 Dec 2003 21:02:13 GMT Re:IO Error 64 You could try using the opposite type of file naming convention to the one you're using. I.E. use UNC (\\servername\x$\file\) instead of mapped drive letters (n:\ where n is a server share) or vice versa. John Quote"AlexB"
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