---
name: Registry-ts_connect
title: Why can't I connect to Container Registry?
description: You are unable to connect to IBM Cloud® Container Registry and you get the message `connection reset`.
last-updated: 2025-10-14
---

> ## Documentation Index
> The table of contents for this documentation set is at https://cloud.ibm.com/docs/Registry?format=markdown
> The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt
> Use these files to discover more information as needed.

# Why can't I connect to Container Registry?
{: #troubleshoot-connect}
{: troubleshoot}
{: support}

You are unable to connect to IBM Cloud® Container Registry and you get the message `connection reset`.
{: shortdesc}

You can't connect to IBM Cloud Container Registry and you receive the following message: `connection reset`.
{: tsSymptoms}

The following alternatives are possible causes:
{: tsCauses}

- **Scenario A.** Firewall or Calico rules are in place.
- **Scenario B.** The connection to Container Registry is through a proxy.
- **Scenario C.** IP allowlists are configured.
- **Scenario D.** Context-based restrictions are configured.

You can fix this problem in the following ways:
{: tsResolve}

- **Scenario A.** Check your [firewall](https://cloud.ibm.com/docs/Registry?topic=Registry-troubleshoot-firewall&format=markdown) or [Calico](https://www.tigera.io/project-calico/){: external} rules.
- **Scenario B.** Connect to Container Registry without a proxy.
- **Scenario C.** Use IP addresses that are in your allowlist.
- **Scenario D.** Ensure that your [context-based restrictions](https://cloud.ibm.com/docs/Registry?topic=Registry-registry-cbr&interface=ui&format=markdown) give you access to Container Registry.