# Is the extensions server down?

**URL:** <https://discourse.slicer.org/t/is-the-extensions-server-down/19687>\
**Category:** Support\
**Tags:** extensions-manager\
**Created:** [September 15, 2021, 4:27pm UTC](https://discourse.slicer.org/t/is-the-extensions-server-down/19687 "2021-09-15T16:27:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jpeoples](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jpeoples/32/12379_2.png) [@jpeoples](https://discourse.slicer.org/u/jpeoples)\
**Post date:** [September 15, 2021, 4:27pm UTC](https://discourse.slicer.org/t/is-the-extensions-server-down/19687/1 "2021-09-15T16:27:16Z")

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Operating system: Windows 10  
Slicer version: 4.11.0-2020-07-18 r29221 / 26fbefd  
Expected behavior: View and download extensions in Extension Manager  
Actual behavior: No extensions are showing up:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/c/f/cfcb23a8e835bc27249442090f4f328ebd689e4e.png)

According to the settings, the extensions server is [http://slicer.kitware.com/midas3](http://slicer.kitware.com/midas3).

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [September 15, 2021, 4:43pm UTC](https://discourse.slicer.org/t/is-the-extensions-server-down/19687/2 "2021-09-15T16:43:46Z")

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The extensions server was replaced a few weeks ago. A compatibility layer was implemented but maybe it has some problem on that particular Slicer version. All the extensions should appear if you switch to the latest Slicer Preview Release.