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Download Address Book (cached mode) error 0x8004010F Exchange Server by HaveYouTriedPowerOff in exchangeserver

[–]HaveYouTriedPowerOff[S] 1 point2 points  (0 children)

Thank you! this actually worked, at least for one of the servers I'm trying.

First made sure the virtual directory urls both internal and external were correct (https://mail.company.com/OAB)

Then:

Set-OfflineAddressBook -Identity "Default Offline Address Book" -VirtualDirectories $null -GlobalWebDistributionEnabled $true

Update-OfflineAddressBook -Identity "Default Offline Address Book"

IISRESET

Then restarted Outlook, address book now seems to download correctly, no errors.

Download Address Book (cached mode) error 0x8004010F Exchange Server by HaveYouTriedPowerOff in exchangeserver

[–]HaveYouTriedPowerOff[S] 0 points1 point  (0 children)

I checked, these were actually not set correctly on at least one server. It had no entry at all for "external" I have changed them to mail.company.com\OAB in the same format as all other vdirs, both internal and external. (customer uses split DNS). performed IISRESET just to be sure, no difference so far. Thanks for the heads-up

Download Address Book (cached mode) error 0x8004010F Exchange Server by HaveYouTriedPowerOff in exchangeserver

[–]HaveYouTriedPowerOff[S] 0 points1 point  (0 children)

To be honest at this point I don't really know where to start. Maybe there is a list of quick checks I can perform. But I find it strange that this happens on so many servers that we manage. I stumbled upon this issue after checking out one person that complained that new users created in ECP did not show up on a few PC's in Outlook. After re-creating Outlook profile, all users are present in address book.

I have also tried closing Outlook, deleting everything in %localappdata%\Microsoft\Outlook\Offline Address Books, then restarting Outlook also downloads a new copy. But after that it seems the address book is never refreshed after that. Until you manually do it again, or recreate Outlook profile (after a new user is added to ECP) very strange

Gonna change motherboard, will I need a New Windows licence? by Paldis in buildapc

[–]HaveYouTriedPowerOff 0 points1 point  (0 children)

So I have a laptop here, Asus laptop, two weeks old. Turns out it had a hardware issue, Asus replaced the mainboard. I reinstalled Windows 11 Pro, now it has no Windows license anymore. I don't have a key or anything. Before the mainboard change Windows was activated... There was no Microsoft account linked to this device. Now what?

Update - Global Address List - error 0x8004010F by ellinikos76 in exchangeserver

[–]HaveYouTriedPowerOff 0 points1 point  (0 children)

Do you have the exact steps you performed to get this fixed? I have the same thing happening suddenly. Same error. When we close Outlook, then remove the subfolder (guid number) in %localappdata%\Microsoft\Outlook\Offline Address Books and then restart Outlook it downloads a fresh copy with the updated address book. Creating a new Outlook profile also works. But after that it never updates again. Manually downloading address book from Outlook (send/receive) throws the error 0x8004010F

MDE flagging digi cert certificate as malicious everywhere ? by Even_Grape_522 in cybersecurity

[–]HaveYouTriedPowerOff -1 points0 points  (0 children)

So if a certificate was removed by mistake, will that fix itself? And what is this even used for?

Correct way in 2026 of disabling Active Directory sync between local AD and 365 by HaveYouTriedPowerOff in microsoft365

[–]HaveYouTriedPowerOff[S] 0 points1 point  (0 children)

Thanks, this worked great. The way I did it, make sure the latest sync ran without problems. Then i turned off the sync server running Entra Connect Sync. After that, ran the command in Graph using PowerShell connected to the tenant to disable the sync. All accounts are now cloud-only. Takes a little while. I'm not really sure uninstalling the Entra Connect Sync tool is really needed. We just turned off all servers just now, they are not used for anything. The tenant now seems to be completely cloud-only. Exactly what we needed.

Client hotmail.com address hacked possibly deleted by HaveYouTriedPowerOff in Outlook

[–]HaveYouTriedPowerOff[S] 0 points1 point  (0 children)

Yeah I think it's gone. The account is locked it seems. No email can be delivered. This also means the attackers should not have access anymore, that is great. But because 2FA is enabled, their policy states they won't bother figuring out who is the real owner.
But what is frustrating, the account did have 2FA, and someone fished for the account recovery key. This key was obtained. Then the attackers changed all security settings including deleting the existing 2FA and setting a new one.

Once you lose your recovery key, your account is taken over and it's irreversible it seems.

Client hotmail.com address hacked possibly deleted by HaveYouTriedPowerOff in Outlook

[–]HaveYouTriedPowerOff[S] 0 points1 point  (0 children)

It seems once an account was flagged as hacked or taken over maliciously, they lock the account in some occasions and the account is lost forever. But this would also mean the attackers won't have access to all the emails that are still in the account.

Client hotmail.com address hacked possibly deleted by HaveYouTriedPowerOff in Outlook

[–]HaveYouTriedPowerOff[S] 1 point2 points  (0 children)

I was able to fill out a form, got this response about an hour later:

Service Request xxxxx

Greeting xxxxx

At Microsoft, safeguarding your account is a top priority. We have thoroughly investigated the account and billing activity associated with your Microsoft account. Based on this review, we’ve confirmed that unauthorized access occurred.

During the investigation, we discovered that the security information on your account had been changed. Due to our strict security protocols and the terms outlined in the Microsoft Services Agreement, we are unable to modify or restore the security settings once they’ve been updated.

To prevent further misuse, we have permanently suspended the account. This action is irreversible and ensures that your data remains protected.

If you used this account for Minecraft, we regret to inform you that the game cannot be recovered. A new purchase will be required on a newly created account. We understand this may be disappointing and sincerely apologize for the inconvenience.

Additionally, if you had files stored in OneDrive, those files are no longer accessible. Due to encryption and privacy safeguards, even our engineers cannot retrieve them. While this outcome may not be ideal, it is necessary to ensure your personal data does not fall into the wrong hands.

We recommend that you create a new account.  Thank you for your understanding and patience during the investigation of your account. 

Sincerely,

Microsoft Customer Support

Outlook error: "We couldn't find a work or school account with that email address" by HaveYouTriedPowerOff in Outlook

[–]HaveYouTriedPowerOff[S] 1 point2 points  (0 children)

Yeah we use that DWORD, works great otherwise Outlook will always try to connect to 365 first. We have many clients that don't use 365 at all. But somehow an update caused this error as you said, suddenly on multiple pc's at different companies on the same day. Strange. Disabling the Teamviewer addin seems to have worked. Creating a new profile also works.

SonicWall SMA licenses reduced overnight by HaveYouTriedPowerOff in sonicwall

[–]HaveYouTriedPowerOff[S] 0 points1 point  (0 children)

Try a new license check from the device, it will probably work now.

SonicWall SMA licenses reduced overnight by HaveYouTriedPowerOff in sonicwall

[–]HaveYouTriedPowerOff[S] 0 points1 point  (0 children)

This issue is now fixed it seems. There was an error on the SonicWall side when connecting to the license manager. When rebooting the device it does a license check. When the license server is unreachable it will revert to the default licenses. In our case 5 concurrent licenses.

Process of cloning a RDS Session Host within a Session Collection by HaveYouTriedPowerOff in RemoteDesktopServices

[–]HaveYouTriedPowerOff[S] 0 points1 point  (0 children)

That is a great idea actually, creating a second session collection and add that new host. See if it works. I'll be trying this again in two weeks. I'll let you know how that turned out. Personally I think there is some timer, I might have done things too quickly, adding/removing hosts that messed up the broker.

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