# Url.query field loss occurred when useing iis module (ver 7.14.1)

**URL:** <https://discuss.elastic.co/t/url-query-field-loss-occurred-when-useing-iis-module-ver-7-14-1/284926>\
**Category:** Beats\
**Tags:** filebeat\
**Created:** [September 22, 2021, 6:27pm UTC](https://discuss.elastic.co/t/url-query-field-loss-occurred-when-useing-iis-module-ver-7-14-1/284926 "2021-09-22T18:27:14Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![e997cd7e8d9915436150](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/e997cd7e8d9915436150/32/40255_2.png) [@e997cd7e8d9915436150](https://discuss.elastic.co/u/e997cd7e8d9915436150)\
**Post date:** [September 22, 2021, 6:27pm UTC](https://discuss.elastic.co/t/url-query-field-loss-occurred-when-useing-iis-module-ver-7-14-1/284926/1 "2021-09-22T18:27:14Z")

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Actual url parameters are 7,757 out of 215,586 pieces of log. (exclude log header)

 ![log_all](https://us1.discourse-cdn.com/elastic/original/3X/0/8/08cc28d6788783ac6c5fff27587fb67829e5a431.png)  
 ![log_parameter](https://us1.discourse-cdn.com/elastic/original/3X/4/3/43a7541299fab68844675a9f395852624f0e111a.png)

But i can see only 7,735 pieces of parameters after gathered by iis module.

 ![discover](https://us1.discourse-cdn.com/elastic/original/3X/c/8/c8a9a275ab1fb77eee5b31dcffbf4c36f37617be.png)

I guess there is a problem in the process of deleting null value.  
Has anyone experienced the same problem?

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [October 20, 2021, 8:28pm UTC](https://discuss.elastic.co/t/url-query-field-loss-occurred-when-useing-iis-module-ver-7-14-1/284926/2 "2021-10-20T20:28:10Z")

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