---
title: "Why do you keep getting an error message Ox800CCC0B?"  
description: "Why do you keep getting an error message Ox800CCC0B?"  
author: "Lily Chitlangiya"  
published: 2022-01-25  
canonical: https://answers.mindstick.com/qa/95244/why-do-you-keep-getting-an-error-message-ox800ccc0b  
category: "troubleshooting"  
tags: ["outlook", "outlook email", "microsoft outlook", "troubleshooting"]  
reading_time: 1 minute  

---

# Why do you keep getting an error message Ox800CCC0B?

Why do you keep getting an error [message](https://www.mindstick.com/interview/682/which-are-the-various-message-map-macros) Ox800CCC0B?

\

## Answers

### Answer by Hitesh Vohra

**Outlook [error](https://answers.mindstick.com/qa/95027/how-do-i-fix-boot-error-0xc000000e-on-windows-10) 0x800ccc0b is caused by a number of primary factors, which are listed below:** \

- An Outlook Email Client configuration that has been done incorrectly or incorrectly.
- This issue can be caused by a **corrupted OST file.**
- You entered the wrong SMTP (Simple Mail Transfer Protocol) server information during setting.
- If your Internet Service Provider blocks access to Port 25, you will most likely get **Outlook error 0x800ccc0b.**
- It's possible that your DNS server is experiencing ISP troubles.
- Outlook has been **installed incorrectly on your computer.**

**[Read more](https://answers.mindstick.com/qa/95245/how-do-i-get-rid-of-this-error-0x8004210b-in-outlook)**


---

Original Source: https://answers.mindstick.com/qa/95244/why-do-you-keep-getting-an-error-message-ox800ccc0b

Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.