# Unable to play back VOD files - application folder missing

**URL:** <https://community.wowza.com/t/unable-to-play-back-vod-files-application-folder-missing/38512>\
**Category:** Wowza Streaming Engine\
**Created:** [August 19, 2014, 1:20am UTC](https://community.wowza.com/t/unable-to-play-back-vod-files-application-folder-missing/38512 "2014-08-19T01:20:39Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Maanas\_Royy](https://avatars.discourse-cdn.com/v4/letter/m/85e7bf/32.png) [@Maanas\_Royy](https://community.wowza.com/u/Maanas_Royy)\
**Post date:** [August 19, 2014, 1:20am UTC](https://community.wowza.com/t/unable-to-play-back-vod-files-application-folder-missing/38512/1 "2014-08-19T01:20:39Z")

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I installed a bran new Wowza Streaming Engine 4.x.

When i try to play a VOD it says

> Connection failed: Application folder ([install-location]/applications/vod) is missing.

I m also trying to upgrade of my application from Wowza 3.x to 4.x and i get same error there as well.

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**Author:** ![Maanas\_Royy](https://avatars.discourse-cdn.com/v4/letter/m/85e7bf/32.png) [@Maanas\_Royy](https://community.wowza.com/u/Maanas_Royy)\
**Post date:** [August 19, 2014, 1:33am UTC](https://community.wowza.com/t/unable-to-play-back-vod-files-application-folder-missing/38512/2 "2014-08-19T01:33:31Z")

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Thanks after reboot the issue resolved.

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**Author:** ![sal\_jefferson](https://avatars.discourse-cdn.com/v4/letter/s/6de8d8/32.png) [@sal\_jefferson](https://community.wowza.com/u/sal_jefferson)\
**Post date:** [August 18, 2014, 3:08pm UTC](https://community.wowza.com/t/unable-to-play-back-vod-files-application-folder-missing/38512/3 "2014-08-18T15:08:50Z")

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Thanks for the update, and glad you got this working.

Just to clarify, Wowza 3x application.xml files should not be copied over to Wowza 4x Applications, as they will no work nicely together.

Salvadore