Api.diagnostics.office.com Certificate Error

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Lalo Scalf

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Jul 21, 2024, 1:51:42 PM7/21/24
to traduranwes

After a reboot, I often get a popup that asks if I want to install a security certificate. The certificate is issued by Bitdefender. I've tried installing, several times, but it's never made any lasting difference. What is it trying to tell me, and what should I do.

This can be solved by reinstalling the certificate remotely. Kindly get in touch with our Support engineers to schedule a remote session on the affected device and they will sort this out for you. You can reach them by choosing one of the available contact channels at the link below:

It's more complicated than it looks. That certificate is generated dynamically, when a possible malicious behavior is observed (e.g. the original certificate has some issues and validation fails). In this context, a blockpage cannot be inserted, so an untrusted certificate is generated to display a pop-up by which the user is notified about that original certificate. Even if that certificate is installed, after the service restart it will no longer be considered valid and that's why the error persists after the reboot. It continues to try to validate the original certificate and fails for a specific reason (which is unknown until looking at some logs).

Indeed, it's something that pops-up sporadically and it's not encountered by all users. I have asked some questions and both the development teams and our support engineers asked for logs, so they could gather more information, so unfortunately it's not much we can do on the forum, all users encountering this should get in touch with the Support teams for accurate diagnosis and a fix.

He said this is nothing more than an update for office bug that does not recognize BitDefenders CA certificate, but the instructions were for an IMAP account not an Exchange Account then once I confirmed I received the email he hung up. I have had two hang ups and three disconnects. He did not want to walk me through the process. I have wasted 5 hours on the phone trying to get a qualified person that can remedy the situation

The only way this remotely pertains to my situation is if their definition of AI is Absolute Idiocy. How does finding my IMAP server settings for my Exchange Account resolve this Untrusted Certificate Issue?

The Security Alert Untrusted BitDefender CA pop up seems to appear when Outlook is opened. api.entitled.office.com so Microsoft Office (Outlook) seems to see the BitDefender Certificate as Untrusted.

I'm sorry to hear you have encountered this inconvenience. One of our technical leads will be assigned to your case, following its escalation to Tier 2 Technical. The engineer will get in touch with you in the shortest time possible and check for your availabilty to schedule a remote session, as this is necessary in order to troubleshoot the situation you have encountered. Kindly wait for our engineer's response.

Since this week I am experiencing the same problem with Outlook (OS Win 10) as above, namely I have to Install the Certificate before I can view the email message (screen shot of those certs installed to date). This am I chatted with agent Florin (Ticket No 1008244293) and at that time he did not seem to be aware of these specifics except that there seemed to be certificate issues happening. If it takes an engineer to remotely fix on one-to-one basis the problem could well be bigger than engineers availability.

Hi, I have a family subscription, and my wife has just let me know that she's having the same problem (exactly the same messages, also up to date on Office, Windows 11 and BitDefender). The above messages seem to suggest that we need to get in touch with an engineer.

So I called in...was on hold for 20+ minutes...rep told me she'd send me an email with instructions...when I pointed out that I can't open my email because of this issue, she told me to disable Bitdefender. When I asked why I would do that if this were a potentially valid threat, she replied that Windows Defender automatically kicks in when I turn off BD. I then asked "so why would I pay for BD if WD can take care of things?" She basically said only that BD is more configurable. Hmmm. Glad she told me my subscription expires soon.

Regardless, when I told her I'd wait to receive the email before hanging up, she said her system wouldn't generate one until AFTER we hung up and that it would be in the email. I explained that if I didn't GET the email for any number of reasons I didn't want to waste even MORE time having to call in again, re-explaining etc. so I wanted a case number before hanging up. I had to explain this several times that and only after she realized I wouldn't let go until I had one she somehow miraculpusly gave me one. But based on my experience thus far I really can't assume it's valid and that she didn't just make it up. Hmmm. Glad she told me my subscription expires soon.

I was able to access the email form my ISPs site and followed the instructions and am now staring at a screen that says "Running diagnostics tool, this may take a while..." however, after running for 30+ minutes now - it's still on 0%. Gosh, I wonder how long their 'a while' is. But FWIW - the case number she gave me was correct. Though it's somewhat troubling that she felt the need to lie to me about her system not generating one.

Since this week we've had three occurrences at our office of a dialog popping up saying that secure communication for the office apps was not trusted because the vertificate for outlook.office365.com was revoked. Its that one specific domain.

When researching the problem, most of the fixes found we for issues on the upstream firewall, in our case an MX84, but the solutions were for Sonicwall and Cisco ASAs. On the Sonicwalls you had to whitelist a pair of Digicert URLs, and other actions for the ASA (sorry don't have that link right now). And a majority of the incidents I read about reported that apparently fixed the problem. Today we had a customer behind a Sonicwall experience the dialog, so the fix for that is in place, and we'll have to see if it repeats.


I can't find similar on the Meraki MX. I have an open ticket but they've stated there is nothing on the MX that would do the equivalent, and the problem has to be further downstream at the per PC level or any intermediate firewall (none at our location).

You are facing an Outlook security certificate error because of one of these factors i.e. invalid certificate, using a wrong hostname, incorrect date & time. But you can resolve this Outlook error aka the server you are connected to is using a security certificate that cannot be verified by changing Outlook SMTP settings, using unsecure port, verifying the Outlook security certificate name, etc.

We're trying to authenticate users through the ticket API and we're getting a 403 Forbidden error. I'm really not sure where exactly might be the issue, if it's caused by Qlik not finding the user or something else.

After a little bit of Googling, I figured out that the issue was linked to the application pool in which my web app was running didn't have access to the private key of the QlikClient certificate. This is quite easy to fix.

You should have a "Windows" permission showing, you need to add the user that is running your application pool. So if your application pool is called "TestAppPool", you should add the user "IIS AppPool\TestAppPool". You can give this user only "Read" permissions and it should work.

The 403 indicates that your request is not allowed, the user does not have to exist in Sense. Since you sign the request with the export certificates from Qlik Sense we will trust you and create whatever user you send in.

I'm then using this open source project GitHub - braathen/qlik-auth-net: ASP.NET module for simplifying custom authentication with Qlik Sens... to test. It seem to correctly sign the request using the client certificate, so I'm not really sure why I get the error message.

So now my keychain has two production certificate (one is newly created), and one development certificate, and the error is still there. I found it weird that it asked for the development certificate in distribution profile? (I think this is the clue, but I don't know why)

I ran into this on Xcode 13 building and exporting a Mac app as Developer ID. At first I had the issue "You haven't been given access to cloud-managed distribution certificates" and that led to a Stack Overflow question that said I had to get my Team Agent to give me access to cloud-managed Developer ID certificates in App Store Connect. I did that and then got this error - the provisioning profile that Xcode generated for the app during export didn't include my Developer ID certificate in my keychain.

years down the road still this is always a pain when you to a new machine or are given a project to work on ... patience and trial&error I have different clients and go thru this often and the same old song ... not clear solution other than trial and error Look at the keychain and delete entries that looks funny is one shot

If you're working on company equipment and connecting to a corporate network, you may be connecting to the Internet via a VPN or an HTTP proxy server. In some cases, these types of network setups may prevent GitHub Copilot from connecting to GitHub's server. For more information about the options for setting up proxies with GitHub Copilot, see "Configuring network settings for GitHub Copilot."

This article provides guidance for common issues related to HTTP proxies and custom certificates. If you use a firewall, this may also interfere with GitHub Copilot's connection. For more information, see "Troubleshooting firewall settings for GitHub Copilot."

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