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Have you encountered the entitlement.diagnostics.office.com certificate error while working in Office 365? If so, then you can understand how frustrating it is. Because of it, you cannot continue your work as the issue cannot be bypassed. So what to do in that circumstance? The only alternative that you have is to fix the issue. But fixing it is a challenging task until and unless you know the cause.
In this article, we will thoroughly explore how to resolve the entitlement diagnostics office com security alert. But before exploring the solutions, let’s first understand what exactly this issue is and what causes it.
The Entitlement.diagnostics.office.com certificate error is a security alert that pops up while you are using Outlook in Office 365. This error poses a significant hindrance, preventing you from proceeding with your work on Office 365 and even restricting access to OneDrive. Encountering it is not uncommon, and there are “n” number of factors that can contribute to its occurrence.
The most common reason behind the Entitlement.diagnostics.office.com certificate error is that the security certificate for the website has expired or is invalid. Security certificates guarantee a protected connection between your device and the website’s server. When the certificate is obsolete or doesn’t match the expected criteria, your web browser displays this alert to forewarn you regarding the potential risks.
Other possible causes of this error might include:
Start with the first method and proceed to the next if the initial one does not resolve the issue.
Begin by ensuring you have a stable and reliable internet connection. An unstable connection might trigger the certificate error. Try accessing other websites to confirm the internet’s stability before moving on to the next method.
Follow the steps given below to check your internet connection using the ping command:
If every single packet sent receives an acknowledgment, it indicates that your system is fully operational and there are no connectivity issues.
Your device’s incorrect date and time settings can lead to SSL certificate validation problems. Therefore, confirm and double-check your system’s accurate date and time settings. And if they need to be corrected, adjust them accordingly and see if the error persists or not.
Follow the steps given below to adjust these settings:
Validating the certificate name stands out as a crucial method for resolving the Entitlement.diagnostics.office.com certificate error. This process involves verifying the accuracy and legitimacy of the certificate’s information, which in turn helps address the concern effectively. By validating the certificate name, we can identify the issuing authority and confirm the certificate’s authenticity, which plays a noteworthy role in rectifying the error.
Follow the steps given below to confirm the Certificate name:
The Entitlement diagnostics office com certificate alert can manifest when the configured Simple Mail Transfer Protocol (SMTP) port conflicts with the certificate settings, resulting in a mismatch or failure during the process of establishing a secure connection. The SMTP port is responsible for handling outgoing email traffic, and by changing it to a compatible and secure option, the error can be effectively resolved, allowing for a successful and secure connection.
Follow the steps given below to adjust the SMTP port:
When Outlook is not adequately connected to the appropriate domain, it might not be able to establish a safe and reliable communication channel to compile the essential diagnostic information. This lack of access to paramount data can impede the proper functioning of the application, leading to potential disruptions or errors in its operations.
Follow the steps given below to use the domain name of your hosting:
The Entitlement.diagnostics.office.com certificate error is a security alert that appears while using Outlook in Office 365, hindering work and restricting access to OneDrive.
Validating the certificate name helps identify the issuing authority and confirms the certificate’s authenticity, which is vital in addressing the error effectively.
The SMTP port is responsible for handling outgoing email traffic. Adjusting it is essential as conflicts with the certificate settings can lead to the error, and changing it to a compatible and secure option resolves the issue.
Click on the “Search” button, type “Outlook,” press Enter, go to “Files,” then “Info,” and access “Account Settings” to adjust the SMTP port under the “Advanced” tab in “Internet E-Mail Settings.”
Understanding the cause helps in applying the most relevant and adequate solution to fix the Entitlement.diagnostics.office.com certificate alert (error).
The error hinders work and restricts access to OneDrive, leading to frustration and an inability to continue tasks until the issue is resolved.
The Entitlement.diagnostics.office.com certificate error in Office 365 can disrupt work and access to OneDrive. It’s caused by an expired or incorrect security certificate for the website, as well as web browser issues, system settings, DNS configuration, or internet connection problems. To resolve the error, users should check their internet connection and device’s date and time settings, confirm the certificate name, modify the SMTP port, or use the domain name of their hosting as a mail server. Following these steps will ensure smooth productivity and communication within Office 365.