# Connectivity Issues

Sometimes, you may have issues with your server. You can see these issues on **Last Connectivity** column. This column display the error while the Message column will display any recent problems or issues related to server connectivity.

<div align="left"><figure><img src="/files/91mm29KbY8wlmQxNz5qh" alt=""><figcaption></figcaption></figure></div>

To see more information about this issue, you should make **Message** column **visible**. Click to **Show/Hide** Columns button on the right top area.

Click to **Message** button to enable it.&#x20;

<div align="left"><figure><img src="/files/Lxols4gWnkt9pAJ0WuZs" alt=""><figcaption></figcaption></figure></div>

You will see more information about connectivity issue.

<div align="left"><figure><img src="/files/bvcz3XMZrtw6U6q5h7hx" alt=""><figcaption></figcaption></figure></div>

Common issues and explanations:

* **No API Connectivity:** Target server can not reach to VirtualMetric API. Please check your firewall and proxy configuration.
* **Collector Failed:** An error occurred when VirtualMetric collects performance counters. Make sure that you have enough memory on target server. Please read **Message** column for more information.
* **Login Failed:** VirtualMetric can not login to remote server. Please read **Message** column for more information.
* **Unsupported Config:** A software requirement is missing. Please read **Message** column for more information.


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# Agent Instructions: Querying This Documentation

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

```
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```

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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.