# Unable to replicate image due to SSL certificate error - 12175

## Problem

You can see the error message **"Unable to replicate image due to SSL certificate error - 12175"** on the screen during image replication.

## Cause

This error will be shown:

1. If the certificate file available in the Endpoint Central server is invalid or corrupt.

## Resolution

You can resolve this issue by following the steps given below:

### If you are using a self-signed certificate

Delete the following files from the location where the Endpoint Central server is installed. Before deleting, ensure that you take a backup of the files.

- `ManageEngine\DesktopCentral_Server\apache\conf\server.crt`
- `ManageEngine\DesktopCentral_Server\apache\conf\server.key`
- `ManageEngine\DesktopCentral_Server\nginx\conf\server.crt`
- `ManageEngine\DesktopCentral_Server\nginx\conf\server.key`

After deleting, restart the Endpoint Central server.

### If you are using a third-party certificate

Re-import the original certificate files into the Endpoint Central server. Refer to this [document](https://www.manageengine.com/products/desktop-central/help/configuring_desktop_central/importing_ssl_certificates.html#Upload_the_3rd_party_Certificates_to_Desktop_Central) for steps to reimport.

### Note

If the original certificate is not available, contact Endpoint Central support with the following files:

- `ManageEngine\DesktopCentral_Server\apache\conf\server.crt`
- `ManageEngine\DesktopCentral_Server\nginx\conf\server.crt`

The support team will modify the data and share the original files.

**Keywords:** Image replication, SSL certificate error.