# AWS Installation Troubleshooting

#### Launch Failed after step 4

<figure><img src="https://docs.telcobridges.com/w/images/thumb/5/5d/FailedLaunch.png/800px-FailedLaunch.png" alt=""><figcaption></figcaption></figure>

```
   Follow the link:
```

<figure><img src="https://docs.telcobridges.com/w/images/thumb/c/c1/FailedLaunchLink.png/800px-FailedLaunchLink.png" alt=""><figcaption></figcaption></figure>

* Click on “Continue to Subscribe”:

<figure><img src="https://docs.telcobridges.com/w/images/thumb/5/5e/Subscribe.png/800px-Subscribe.png" alt=""><figcaption></figcaption></figure>

* If you agree with Amazon conditions, click on “Accept Software Terms & Launch with 1-click”. Now, you are ready to launch the instance you need:

<figure><img src="https://docs.telcobridges.com/w/images/thumb/2/22/Accept.png/800px-Accept.png" alt=""><figcaption></figcaption></figure>

<br>

#### Test if ProSBC is up and running in real-time

You can open a session of the image running CentOS7 and check the status of Pro*SBC* in real-time. Depending on your operating system, you can follow the links on Amazon guide to do so:

| Your Computer                                  | Topic                                                                                                                           |
| ---------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- |
| Linux                                          | [Connecting to Your Linux Instance Using SSH](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html) |
| Windows                                        | [Connecting to Your Linux Instance from Windows Using PuTTY](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/putty.html)    |
| All (using Firefox, Edge or Internet Explorer) | [Connecting to Your Linux Instance Using MindTerm](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/mindterm.html)           |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://prosbcdocs.telcobridges.com/initial-installation/1.-instructions-by-platform/cloud-installation/cloud-aws/aws-installation-troubleshooting.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.