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How to Fix Outlook Error 0x800CCC0B | Resolved

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Written By Mohit Jha
Anuraag Singh
Approved By Anuraag Singh  
Published On September 26th, 2022
Reading Time 5 Minutes Reading

outlook-error

There are many Outlook users who reported that they are getting many error codes error in their Outlook application. And 0x800CCC0B is one of them, now the thing is it is some code error hence many users not able to understand this issue and how to fix it.

Henceforth, here in this blog, we are going to discuss the reason behind this error and how to fix Outlook error 0x800CCC0B using DIY methods. So keep reading the blog and keep it for the feature.

Well, we know Outlook is the most trusted and used email application and this type of error really affects the user’s productivity. And to improve this many seek a solution to resolve this type of error.

Now, before going toward the solution let’s understand what this issue is and what is the reason responsible for this Outlook error.

What is Outlook 0x800CCC0B?

Basically, users receive an error message “An unknown error has occurred. Subject ‘test’, Account: ‘renee’, Server: ‘196.30.31.203’, Protocol: SMTP, Port: 25, Secure(SSL): No, Error Number: 0x800CCC0B”

Most of this error means that the server maildrop is busy hence when they are trying to send mail then they get this error message. Now, after knowing what is the error let’s move towards the reason for the same.

Reasons Responsable Outlook Error 0x800CCC0B

Basically, this is an SMTP error but along with this there are also some additional reasons that cause this error and in this section, we are going to discuss some of the major ones.

  • ISP issue with your DNS server is also the reason for the Outlook error.
  • If your Outlook account is not configured properly, then you will notice this error.
  • Virus and malware attacks also are the reason for the Outlook error 0x800CCCB.
  • Wrong or improper Outlook installation also leads you to this annoying Outlook error.
  • If your Outlook data is corrupted, then you will face this error.

Manual Method to Resolve Outlook Error 0x800CCC0B

So, here in this section, we are going to discuss some of the DIY techniques to resolve this error. Now, go through the method to resolve the Outlook 0x800CCC0B.

Method 1: Configure Email Server

As we said above this error happens due to the emails server, hence here in this solution part, we are going to discuss steps to configure the emails server.

1. First, restart your system, then try and configure your Outlook with the option “SMPT”

2. Open Outlook and click on the File option and then select Account Settings.

3. Now, select Email Menu and double click on the email address that giving the problem.

4. Form the pop-up click on the More Option.

5. Now go to the Outgoing server button to enter the credentials.

6. After this select, My Outgoing server requires an authentication process.

7. At last enter the username and password.

Method 2: Use Port 26 for SMTP

The next thing you have to try is o change the port number of SMTP. Because some of the ISP (Internet Server Providers) have been blocked the 25 port number to protect their clients from getting cyberattacks, phishing, and spamming. So simply choose 26 port numbers to fix this error.

Method 3: Disable Antivirus Program

Some of the antivirus programs cause issues in the working of the Outlook program, So you can temporarily disable your antivirus program to allow smooth Outlook performance. And once it did restart your system and check the Outlook error 0x800CCC0B is resolved or not.

Method 4: Repair Outlook Data File

As we said above is the reason part Outlook data file corruption is also one of the reasons behind this error. So repairing of Outlook data file is also one of the techniques to resolve this error, Now, to resolve the Outlook PST corruption you can use the Outlook inbuilt Inbox Repair Tool, which is also known as ScanPST.exe.

But before using this first you have to locate where ScanPST.exe is located. Because the location of ScanPST.exe varies upon Outlook versions.

Now to make the task easy we have listed all the locations of ScanPST.exe. To find your Outlook version and follow the path.

ScanPST Location and Outlook Versions

Outlook 2019 & 2016

C:\Program Files (x86)\Microsoft Office\root\Office16

Outlook 2013

C:\Program Files (x86)\Microsoft Office\Office15

Outlook 2010

C:\Program Files (x86)\Microsoft Office\Office14

Outlook 2007

C:\Program Files (x86)\Microsoft Office\Office12

1. Once you find the Sacnpst.exe tool, then  follow the belwo steps:

2. Double click on the ScanPST.exe to open it

3. Now, click on the Browse button to browse your PST file

4. After the file is added click on the Start button to begin the process

5. Scanpst.exe starts the scanning process and once it finds the error then click on the Repair button to start the fixing process

Note: The above repairing solution is one of the nice approaches but the tool has some limitations such as it is only capable to repair minor corruptions of Outlook PST files. Also it only fixes the header part of the PST file.

Best Way to Repair Outlook Data File

Well, ScanPST.exe has some limitations so to overcome all the limitations here in this section we are going to introduce one of the best tool that can easily repair any level of corruption of the Outlook PST file.

Download Now Purchase Now

SysTools PST Repair Software is a top-notch solution that gives the flexibility to repair highly corrupted PST files without any hassle. Also, the tool comes with multiple export options that users can opt for after repairing the Outlook PST file. Now, to try all its features download the demo of the tool without spending a single penny.

Conclusion

Now, its is time to warp up the write-up, here in this blog we have discussed all the reasons and solutions for Outlook error 0x800CCC0B. Now go through the write-up to know how to fix Outlook error 0x800CCC0B.

  author

By Mohit Jha

Mohit is a Microsoft Certified expert known for his cloud migration, cyber security, and digital forensics expertise. He specializes in Microsoft 365, Exchange Server, and Azure AD migration, ensuring seamless transitions for organizations worldwide. His multifaceted role as a meticulous tech writer, diligent researcher, and astute editor underscores his commitment to delivering cutting-edge digital forensics and cloud migration strategies.