Solve Outlook Error 0x800CCC15: Best way to Fix Transport Error Code


In today’s arena, Outlook is the most preferred email service. The reason behind it is simple GUI, extraordinary performance, and advanced features. However, the technical glitches in MS Outlook make users’ annoyed or frustrated. As Outlook works as a personal information manager, some errors can disturb the regular flow of work. Most of the errors in Microsoft Outlook like issues in Outlook account, Outlook hangs or freezes or small issues in PST data files etc. can be easily resolved by restarting the system, or by using inbox repair tool respectively. But if the Outlook error is not resolved by the native approaches, then it is a matter of concern. Because every Outlook error directly or indirectly harms the database files. In a similar manner, the Outlook 0x800CCC15 error is one of the typical errors that cannot be troubleshot by the user easily. Therefore, in this write-up, we will be focusing on Outlook error 0x800CCC15, its cause, and the appropriate solutions.

Consequences of Outlook Error 0x800CCC15

In the digital-centric world, no single application is completely perfect. In the same way, MS Outlook also posses tcp/ip error number 0x800CCC15 in Windows OS. Here, some of its consequences described that mostly happens in the Microsoft Outlook 2016, 2013, 2010 and lower version application:

  1. The basic one, it aborts every action running on the current program window.
  2. Computer system crashes many times while executing the Outlook program.
  3. The Microsoft Outlook PST gets corrupted or inaccessible in a sudden.
  4. Sometimes Outlook error 0x800CCC15 gives birth to more errors like 0x800ccf65.
  5. Generate Microsoft Outlook send receive error message


  1. Unable to open Window socket and display Socket_Connect_Error in MS Outlook program.
  2. Windows runs very slowly and does not respond to input devices like keyboard, mouse.
  3. The Outlook application freezes frequently and not respond to any action.

What Causes Outlook Error Number 0x800ccc15?

This error arises when the Outlook program installation is not properly done. These are the following reasons behind the improper configuration of Microsoft Outlook program.

  • The corrupted Windows file system can cause the Outlook error 0x800CCC15.
  • Any virus attack on the server can also lead to this error. Because this error is generated while connected Outlook with the server.
  • Any problem in the Outlook network connection settings.

There may be more factors presents that are responsible for this transport error code 0x800CCC15 in Outlook. In the next section, the manual methods are discussed that capable to fix this Outlook error code.

How to Resolve Error Code 0x800ccc15?

As we know, Microsoft formulated a number of Windows operating systems. So for every version, the resolving method is different. Thus, users need to check the operating system, then go through the following procedure:

  • For Windows 8:
  1. Start the system and click on Start
  2. After that, click on Programs>>Features.
  3. From the Name option, select the SOCKET_CONNECT_ERROR corresponding application MS Outlook.
  4. Now, click on Outlook associated entry in order to repair Outlook error.
  5. From the menu, click the Change/Uninstall
  6. To fix the error, follow the on-screen instructions carefully.
  • For Windows 7

This instruction can also be applied to Windows Vista. Go through the following set of instructions to fix Outlook errors:

  1. Launch the Start menu and select Programs >> Features.
  2. Open the Control Panel in the system.
  3. Again select Programs and Features in order to resolve the Outlook error.
  4. Select the Outlook under the Name
  5. Choose the entry that is associated with MS Outlook.
  6. Click on Uninstall and go through the on-screen directions for proper uninstallation of Outlook error 0x800CCC15.
  • For Windows XP:
  1. Select Programs >> Features under the Start
  2. Open the Control Panel and click on Add or Remove Programs.
  3. Under the currently installed applications, locate SOCKET_CONNECT_ERROR program Outlook.
  4. Click on Outlook entry and select the Remove
  5. To complete the entire process, follow the on-screen steps to eliminate Outlook error code 0x800CCC15 program.

Once the user uninstalled the Outlook program, reinstall the program again in the system.


Outlook users should have benefits of several peculiar features. But they are also facilitated with the unwelcome Outlook error that distracts normal working of the program. That is why in this post we have discussed the most familiar Outlook error 0x800CCC15. Also, a secure way has described that resolve this bottleneck scenario because errors always result in data loss. In any case, the Outlook data file is corrupted due to this error, then users can choose the professional tool named as SysTools outlook pst repair utility. This software is capable to recover data from highly corrupted PST file effortlessly. It can fix various Outlook PST related issues in few simple steps.

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