gww>Silver Edge at 09:13, 13 December 2014

2014-12-13T09:13:38Z

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[[File:Diagnostic utility.png|thumb|The diagnostic utility in progress]]
The '''diagnostic utility''' uses a combination of utilities to gather information about your computer and network to help identify problems. The utility can be run by clicking on the ''Test My Computer'' link at the [[login screen]] or using the ''-diag'' [[command line argument]]. It stores the results to a text file called NetworkDiag.log in your Guild Wars directory.

== Steps ==
;Gathering adapter settings
:Uses the "<code>[[w:ipconfig|ipconfig]] /all</code>" command to list the TCP/IP settings for all your network adapters.

;Detecting network connections
:Uses the "<code>[[w:netstat|netstat]] -n</code>" command to list the IP addresses and port numbers your computer is currently connected to via [[w:Transmission Control Protocol|TCP]].

;Discovering external address
:Reveals your IP address using http://checkip.dyndns.org/ .

;Checking server connectivity
:Tries to connect to all the servers at Diag.ArenaNetworks.com, File1.ArenaNetworks.com, and Auth1.ArenaNetworks.com on ports 80 and 6112.

;Tracing network paths
:Uses the "<code>[[w:pathping|pathping]] -w 500 -q 3 -4 <IP address></code>" command on the icmp.arenanetworks.com servers to trace the path of your connection. Then [[w:ping|ping]] each IP address the connection went through several times. This may take awhile.

;Running DirectX diagnostic
:Uses the "<code>[[w:dxdiag|dxdiag]] /whql:off</code>" command to list information on your computer devices, drivers, and codecs identified by DirectX.

== See also ==
* [http://help.ncsoft.com/cgi-bin/ncsoft.cfg/php/enduser/std_adp.php?p_faqid=4890 NCsoft Support - Using the Guild Wars Diagnostic Utility]

[[Category:User interface]]

Diagnostic utility - Revision history

gww>Silver Edge at 09:13, 13 December 2014