# Unable to use to containers at the same time

**URL:** <https://discuss.hashicorp.com/t/unable-to-use-to-containers-at-the-same-time/19798>\
**Category:** Vagrant\
**Created:** [January 16, 2021, 2:15pm UTC](https://discuss.hashicorp.com/t/unable-to-use-to-containers-at-the-same-time/19798 "2021-01-16T14:15:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ganpa3](https://sea2.discourse-cdn.com/hashicorp/user_avatar/discuss.hashicorp.com/ganpa3/32/16206_2.png) [@ganpa3](https://discuss.hashicorp.com/u/ganpa3)\
**Post date:** [January 16, 2021, 2:15pm UTC](https://discuss.hashicorp.com/t/unable-to-use-to-containers-at-the-same-time/19798/1 "2021-01-16T14:15:29Z")

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I am very new to Docker and Vagrant… so sorry if this is a really dumb question.  
I have the same project cloned in two different directories, using docker as the provider, that share the same docker image (Ubuntu 18.04).  
However, I am unable to run both projects at the same time.  
I do `vagrant up` in one directory and when I do it on the second directory, I get the following error:

```auto
A Docker command executed by Vagrant didn't complete successfully!
The command run along with the output from the command is shown
below.

Command: ["docker", "start", "5eee1d0a48a4d9a35ae4701601d1726de217791d890130d382323770e7c6ac5a", {:notify=>[:stdout, :stderr]}]

Stderr: Error response from daemon: driver failed programming external connectivity on endpoint zulip_default_1610203950 (a2775c54e6c6d3bb7b28a9449e07a69585ec8878625a9c84fce4ab83a0a83900): Bind for 127.0.0.1:9994 failed: port is already allocated
Error: failed to start containers: 5eee1d0a48a4d9a35ae4701601d1726de217791d890130d382323770e7c6ac5a

Stdout:

```

However, I can do it if I halt vagrant in the first directory.  
Is there any way to use them at the same time?

Vagrantfile:

> <https://github.com/zulip/zulip/blob/master/Vagrantfile>

Dockerfile:

> <https://github.com/zulip/zulip/blob/master/tools/setup/dev-vagrant-docker/Dockerfile>