How to fix Mail sync error 0x80072726 in Windows?

Issue: Hello. I tried to sync my accounts on the Mail app in Windows but I received the 0x80072726 error. What should I do?

Solved Answer

The Mail app is a useful Email client available for all Windows 8, 8.1, and 10 users. It helps people stay up to date on their emails, and manage their schedules. The app also allows people to manage all email accounts from one place without having to load different websites to check emails. It supports Office 365, Exchange,, Gmail, Yahoo!, and other accounts which is very handy.

However, recently, some people started seeing the 0x80072726 error when trying to sync the Mail application. The full error message reads as follows:

Something went wrong…

We're having a problem sending messages. Make sure you have a connection and your account info is correct, and then try again.

Error code: 0x80072726

When the Mail app is unable to sync with email accounts, users are unable to send or receive any emails. This is a serious problem that should be taken care of immediately as people become unable to use their email. Some people have this issue on school computers, others experience the issue with specific accounts.

The issue is most likely caused by a third-party security program or Windows security.[1] It may perceive the network you are using as not secure and prevent people from syncing the Mail app. In this guide, you will find 4 steps that should help you get rid of the problem.

How to fix Mail sync error 0x80072726 in Windows

Manual troubleshooting can be a lengthy process so you can try using a maintenance tool like FortectMac Washing Machine X9 that could help you fix the 0x80072726 error code in the Mail app. This powerful software can fix various system errors, BSODs,[2] corrupted files, and registry[3] issues. Otherwise, follow the step-by-step instructions below carefully.

Solution 1. Disable Third-Party Antivirus

Some security programs might be conflicting with Microsoft servers and data packages mistakenly perceiving these servers as insecure. Thus, it is known that removing AV software helped some users when trying to fix Mail sync errors:

  • Right-click the antivirus icon and select Disable
  • You can also double-click the antivirus icon and look for a Disable option there

Disable Third-Party Antivirus

Solution 2. Allow svchost.exe through Windows Firewall

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Windows Firewall may be blocking the svchost.exe process which results in the Mail sync error:

  • Click on the Start button located in the lower left corner and type Windows Firewall

Windows Firewall

  • Choose it from the list of results
  • Press Allow on an app or feature through Windows Firewall located in the left pane

Allow another app

  • Click on Allow Another App and locate the two svchost.exe files and add them:



  • In the list of firewalls, you will see a new app with the name Host Process for Windows Services
  • Click OK to exit and check if the issue is fixed

Host Process for Windows Services

Solution 3. Allow svchost.exe in Windows Defender

  • Click Start and type Windows Defender
  • Click on it to open
  • Scroll down until you see Exclusions, click and add exclusion
  • Under Processes, choose Exclude a .exe, .com or .str process and exclude the following:



Allow svchost.exe in Windows Defender

Solution 4. Add svchost.exe in BitDefender

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  • If you are using BitDefender then open it, choose Protections, and then go to Firewall
  • Locate and click on Adapters, and add the network you’re on to the trusted category

Add svchost.exe in BitDefender

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About the author
Ugnius Kiguolis
Ugnius Kiguolis - The problem solver

Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.

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