Microsoft KB Archive/285847

= INFO: Windows Media Log File Reference =

Article ID: 285847

Article Last Modified on 7/3/2002

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APPLIES TO


 * Microsoft Windows Media Services 4.1

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This article was previously published under Q285847



SUMMARY
The following table describes the information that is found in a Windows Media log file.



MORE INFORMATION
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 * Field                 | Description            | Sample value          |
 * audiocodec             |audio codec used in     |Voxware_MetaSound      |
 * |stream                 |                       |
 * avgbandwidth           |Average bandwidth       |24,300                 |
 * |(in bits per second)   |                       |
 * |at which the client was |                      |
 * |connected to the server |                      |
 * c-buffercount          |Number of times the     |4                      |
 * |client buffered while  |                       |
 * |playing the stream     |                       |
 * c-bytes                |Number of bytes received|28,583                 |
 * |by the client from the |                       |
 * |server. For a unicast, |                       |
 * |c-bytes and sc-bytes   |                       |
 * |must be identical.     |                       |
 * |If not, packet loss    |                       |
 * |occurred.              |                       |
 * c-cpu                  |Client computer         |Pentium                |
 * |CPU type               |                       |
 * c-dns                  |Client computer         |x.x.x.xxx              |
 * |Domain Name Server name |                      |
 * c-hostexe              |Host application. For   |Iexplore.exe           |
 * |example, a Web page in |                       |
 * |a browser (Iexplore.exe)|                      |
 * |or a Microsoft Visual  |                       |
 * |Basic program (Vb.exe) |                       |
 * |or stand-alone         |                       |
 * |Microsoft Windows Media |                      |
 * |Player (Mplayer2.exe)  |                       |
 * c-hostexever           |Host application        |4.70.1215              |
 * |version number         |                       |
 * c-ip                   |Client computer         |xxx.xx.xxx.xxx         |
 * |IP address. A client   |                       |
 * |that is not connected  |                       |
 * |properly provides a    |                       |
 * |client proxy server    |                       |
 * |IP address, not the    |                       |
 * |client IP address.     |                       |
 * c-os                   |Client computer         |Windows_NT             |
 * |operating system       |                       |
 * c-osversion            |Client computer         |4.0.0.1381             |
 * |operating system       |                       |
 * |version number         |                       |
 * c-pkts-lost-client     |Number of packets lost  |5                      |
 * |during transmission    |                       |
 * |from server to client  |                       |
 * |and not recovered at   |                       |
 * |the client layer through|                      |
 * |error correction or at |                       |
 * |the network layer by   |                       |
 * |using UDP resends      |                       |
 * c-pkts-lost-cont-net   |Maximum number of       |2                      |
 * |continuously lost      |                       |
 * |packets on the network |                       |
 * |layer during           |                       |
 * |transmission from      |                       |
 * |server to client       |                       |
 * c-pkts-lost-net        |Number of packets lost  |2                      |
 * |on the network layer.  |                       |
 * |Packets lost at the    |                       |
 * |network layer can be   |                       |
 * |recovered if the client |                      |
 * |re-creates them by     |                       |
 * |using forward error    |                       |
 * |correction.            |                       |
 * |The difference between |                       |
 * |c-pkts-lost-net and    |                       |
 * |c-pkts-lost-client is  |                       |
 * |c-pkts-recovered-ECC.  |                       |
 * c-pkts-received        |Number of packets from  |50                     |
 * |the server (s-pkts-sent)|                      |
 * |that are received      |                       |
 * |correctly by the client |                      |
 * |on the first try       |                       |
 * c-pkts-recovered-ECC   |Number of packets       |3                      |
 * |repaired and recovered |                       |
 * |on the client layer.   |                       |
 * |Packets repaired and   |                       |
 * |recovered at the client |                      |
 * |layer are equal to the |                       |
 * |difference between     |                       |
 * |c-pkts-lost-net and    |                       |
 * |c-pkts-lost-client.    |                       |
 * c-pkts-recovered-resent |Number of packets      |5                      |
 * |recovered because they |                       |
 * |were resent through UDP |                      |
 * c-playerid             |Globally unique         |{c579d042-cecc-11d1-   |
 * |identifier (GUID) of   |     bb31-00a0c9603954}|
 * |the player             |                       |
 * c-playerlanguage       |Client language-country |en-US                  |
 * |code                   |                       |
 * c-playerversion        |Version number of the   |6.2.5.415              |
 * |player                 |                       |
 * c-quality              |The percentage of       |96                     |
 * |packets that were      |                       |
 * |received by the client, |                      |
 * |indicating the quality |                       |
 * |of the stream.         |                       |
 * If cPacketsRendered is all packets received by the client including     |
 * packets recovered by error correction and UDP resend                    |
 * (c-pkts-received + c-pkts-recovered-ECC + c-pkts-recovered-resent)      |
 * then c-quality can be calculated as:                                    |
 * [cPacketsRendered / (cPacketsRendered + c-pkts-lost-client)] * 100.     |
 * c-rate                 |Mode of                 |1                      |
 * |Windows Media Player   |Windows Media Player   |
 * |when the last command  |was paused or stopped  |
 * |event was sent         |during a play, fast    |
 * |                       |forward, rewind, or    |
 * |                       |marker jump operation. |
 * |                       |-5                     |
 * |                       |Windows Media Player   |
 * |                       |was rewound from a     |
 * |                       |play, stop, or pause   |
 * |                       |operation.             |
 * |                       |5                      |
 * |                       |Windows Media Player   |
 * |                       |was fast-forwarded     |
 * |                       |from a play, stop, or  |
 * |                       |pause operation.       |
 * |                       |from a play, stop, or  |
 * |                       |pause operation.       |
 * c-resendreqs           |Number of client        |5                      |
 * |requests to receive new |                      |
 * |packets. This field    |                       |
 * |contains a value only  |                       |
 * |if the client is using |                       |
 * |UDP resend.            |                       |
 * c-starttime            |Timestamp (in seconds)  |0                      |
 * |of the stream when an  |                       |
 * |entry is generated in  |                       |
 * |the log file           |                       |
 * c-status               |Codes that describe     |200                    |
 * |client status. Mapped  |                       |
 * |to HTTP/1.1 and RTSP   |                       |
 * |client status codes    |                       |
 * |described in Request for|                      |
 * |Comments (RFC) 2068 and |                      |
 * |RFC 2326.              |                       |
 * Windows Media Services includes the extensible client status codes      |
 * 480 (simultaneous client connections exceeded the maximum client limit  |
 * of the server)                                                     |
 * and                                                                     |
 * 483 (stream exceeded maximum file bit rate limit of the server).        |
 * c-totalbuffertime      |Time (in seconds) that  |6                      |
 * |the client used to     |                       |
 * |buffer the stream.     |                       |
 * |If the client buffers  |                       |
 * |the stream more than   |                       |
 * |one time before a log  |                       |
 * |entry is generated,    |                       |
 * |c-totalbuffertime is   |                       |
 * |the total amount of    |                       |
 * |time that the client   |                       |
 * |spent buffering the    |                       |
 * |stream.                |                       |
 * channelURL             |URL to the .nsc file.   |http://tampico         |
 * |A unicast client       |           /channel.nsc|
 * |information log file   |                       |
 * |records a &quot;-&quot; for this |                       |
 * |field.                 |                       |
 * cs(Referer)            |URL to the Web page in  |http://                |
 * |which Windows Media    | example.microsoft.com/|
 * |Player was embedded    |                       |
 * |(if it was embedded)   |                       |
 * cs-uri-stem            |Name of the file that   |mms://zanzibar         |
 * |is playing, an .asf file|           /sample.asf|
 * |for a unicast or an .asx|                      |
 * |file for a multicast   |                       |
 * cs(User-Agent)         |Browser type used if    |1999-04-19             |
 * |Windows Media Player   |                       |
 * |was embedded in a      |                       |
 * |browser, Mozilla/4.0_  |                       |
 * |(compatible;_MSIE_4.01; |                      |
 * |_Windows_98) date, date |                      |
 * |(in Greenwich mean time)|                      |
 * |when an entry is       |                       |
 * |generated in the       |                       |
 * |log file               |                       |
 * filelength             |Length of the file      |60                     |
 * |(in seconds).          |                       |
 * |This value is &quot;0&quot; for a |                      |
 * |live stream.           |                       |
 * filesize               |Size of the file        |86,000                 |
 * |(in bytes).            |                       |
 * |This value is &quot;0&quot; for a |                      |
 * |live stream.           |                       |
 * protocol               |Protocol used to access |mms                    |
 * |the stream: mms, http, |                       |
 * |or asfm (multicast     |                       |
 * |protocol)              |                       |
 * s-cpu-util             |Average load on the     |40                     |
 * |server processor       |                       |
 * |(0%-100%). If multiple |                       |
 * |processors exist, this |                       |
 * |value is the average   |                       |
 * |for all processors.    |                       |
 * s-dns                  |Server DNS              |x.x.x.xxx              |
 * s-ip                   |Server IP address       |xxx.xx.xxx.xxx         |
 * s-pkts-sent            |Packets sent by the     |55                     |
 * |server                 |                       |
 * s-totalclients         |Clients connected to    |20                     |
 * |the server (but not    |                       |
 * |necessarily receiving  |                       |
 * |streams)               |                       |
 * sc-bytes               |Bytes sent by the server|30,000                 |
 * |to the client          |                       |
 * time                   |Time (in Greenwich mean |15:30:30               |
 * |time) when an entry is |                       |
 * |generated in the       |                       |
 * |log file               |                       |
 * transport              |Transport protocol that |UDP                    |
 * |is used to deliver the |                       |
 * |stream (UDP, TCP, or   |                       |
 * |UDP over IP multicast) |                       |
 * videocodec             |Video codec used to     |Microsoft_MPEG-4       |
 * |encode the stream      |        _Video_Codec_V2|
 * x-duration             |Length of time that a   |31                     |
 * |client played content  |                       |
 * |before a client event  |                       |
 * |(FF, REW, Pause, Stop, |                       |
 * |or jump to marker).    |                       |
 * |A log entry is         |                       |
 * |generated whenever one |                       |
 * |of these client events |                       |
 * |occurs.                |                       |

Additional query words: WMS logfile

Keywords: kbinfo KB285847

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