# 6.2.0 starts with error

**URL:** <https://discuss.elastic.co/t/6-2-0-starts-with-error/118706>\
**Category:** Kibana\
**Created:** [February 6, 2018, 7:41pm UTC](https://discuss.elastic.co/t/6-2-0-starts-with-error/118706 "2018-02-06T19:41:07Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![mlashbro](https://avatars.discourse-cdn.com/v4/letter/m/9dc877/32.png) [@mlashbro](https://discuss.elastic.co/u/mlashbro)\
**Post date:** [April 20, 2018, 3:33pm UTC](https://discuss.elastic.co/t/6-2-0-starts-with-error/118706/14 "2018-04-20T15:33:12Z")

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Maybe I figured this out. I think you have to run this from PowerShell not the command line. At least on my Windows 2016 Server, it wouldn't work until I used PowerShell to launch it.

My guess would be that the optimize is creating paths that are too deep for the standard command prompt to handle.

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