A warm welcome to you, @Terri8819.
I understand the importance of backing up your QuickBooks Desktop company seamlessly. To help you achieve this, here are some solutions you can do that will help you solve this issue.
- Make sure the Windows firewall isn't blocking Intuit Data Protect.
- Make sure IBuEngHost.exe isn't running as a Windows user.
- Make sure QuickBooks Desktop and Intuit Data Protect are updated.
- Use the Intuit Data Protect Diagnostic Tool.
- Free up storage in Intuit Data Protect.
For more detailed steps about the solution mentioned, I recommend visiting this article: Unable to back up with Intuit Data Protect.
If you're looking for more information about QBDT, I have some helpful articles you can check out:
I'm here if you need further help to fix your online backup issue. The Community space is always here to assist you.
