# How do I prevent creation of duplicate jobs?

**URL:** <https://discuss.hangfire.io/t/how-do-i-prevent-creation-of-duplicate-jobs/1222>\
**Category:** question\
**Created:** [August 12, 2015, 1:53pm UTC](https://discuss.hangfire.io/t/how-do-i-prevent-creation-of-duplicate-jobs/1222 "2015-08-12T13:53:51Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![Kevin\_Blake](https://dub1.discourse-cdn.com/flex017/user_avatar/discuss.hangfire.io/kevin_blake/32/205_2.png) [@Kevin\_Blake](https://discuss.hangfire.io/u/Kevin_Blake)\
**Post date:** [August 13, 2015, 8:15am UTC](https://discuss.hangfire.io/t/how-do-i-prevent-creation-of-duplicate-jobs/1222/4 "2015-08-13T08:15:42Z")

</div>

Thanks Rob - that’s great for setting up a recurring task (and this is what I do) - but it doesn’t account for when I have multiple tasks queued up by external means - in that case, I don’t want to queue the task if the same method signature already exists.

---

_[View the full topic](https://discuss.hangfire.io/t/how-do-i-prevent-creation-of-duplicate-jobs/1222)._