<p>You haven't specified anything concrete, so I can't give you a specific reason...  But catalog items can:</p>

<ul>
<li>Be mutually exclusive (e.g. you can't use ipsec and vxlan at the same time)</li>
<li>Be deployed at most once in an environment</li>
<li>Require the environment be a specific orchestration type</li>
<li>Require a certain range of Rancher versions</li>
<li>etc</li>
</ul>

CC BY-SA 3.0
2017-08-23T17:28:08.717Z
2017-08-23T17:28:08.717Z
Vincent Fiduccia
<p>If one adds a component from the catalog in Rancher and one would like to add another component than the list seems to be reduced. Why do some components vanish from the catalog list if one component has been installed in Rancher?</p>

<rancher>
Why do some components vanish from the catalog list if one component has been installed in Rancher?
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# Why do some components vanish from the catalog list if one component has been installed in Rancher?

(Asked by: username_0 on 2017-08-23)

If one adds a component from the catalog in Rancher and one would like to add another component than the list seems to be reduced. Why do some components vanish from the catalog list if one component has been installed in Rancher?

**Tags:** rancher


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## 1 answers

### Answer by username_1 on 2017-08-23. Score: 1 | Accepted answer

You haven't specified anything concrete, so I can't give you a specific reason... But catalog items can:

* Be mutually exclusive (e.g. you can't use ipsec and vxlan at the same time)
* Be deployed at most once in an environment
* Require the environment be a specific orchestration type
* Require a certain range of Rancher versions
* etc


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