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Microsoft 365 Security Best Practices for Enterprises
In today’s digital-first workplace, Microsoft 365 has become the backbone of enterprise productivity. From email and file storage to collaboration tools like Teams and SharePoint, it centralizes critical business operations. But with this convenience comes a growing attack surface. Cyber threats are evolving rapidly, and enterprises can no longer rely on default security settings alone. A proactive, layered approach to Microsoft 365 security is essential. https://dellenny.com/microsoft-365-security-best-practices-for-enterprises/
Bad registrar on 365 side
Hello, We created a Microsoft 365 tenant several years ago but never used the online email services. We added and verifed our domain, which was registered with Orange at the time, and then created some users manually to use PowerBI. Today, we begin to migrate to Exchange Online. We have installed AD Connect and synchronized some users. Since creating the tenant, we have changed registrars (to Gandi), but I've noticed that the registrar hasn't been updated in the tenant 365. An `nslookup` correctly identifies Gandi as our current registrar. Microsoft has remained with Orange... and this is causing errors in the hybrid Exchange configuration assistant due to bad autodiscover. How can we "refresh" the registrar on the Microsoft 365 side ? Thanks for your advises Nicolas
Bitlocker locking me out of laptop computer
I tried to start-up my laptop yesterday and I got a blue "Bitlocker" screen come up and it is asking for a recovery key. It notes the reason "..because Secure Boot policy has changed." I never installed Bitlocker, or set-up. Frankly, I never heard of it. I checked my microsoft log in and there was no bitlocker recovery key in there either. I haven't made any changes to the computer recently. Computer is an HP Envy with solid state drive I believe I am at a loss as to how to deal with this without loosing my data. I spoke to three computer guys and they were not familiar with the Bitlocker. Any assistance would be greatly appreciated.Automating Microsoft 365 with PowerShell Second Edition
The Office 365 for IT Pros team are thrilled to announce the availability of Automating Microsoft 365 with PowerShell (2nd edition). This completely revised 350-page book delivers the most comprehensive coverage of how to use Microsoft Graph APIs and the Microsoft Graph PowerShell SDK with Microsoft 365 workloads (Entra ID, Exchange Online, SharePoint Online, Teams, Planner, and more). Existing subscribers can download the second edition now free of charge. https://office365itpros.com/2025/06/30/automating-microsoft-365-with-powershell2/
Former short-term employee added as Billing Admin
Hi everyone, I’m hoping to get some insight into how this could have occurred and what we should review to prevent it from happening again. We are a small organization, and we recently discovered that a former employee (who only worked with us for about two weeks) was listed as a Billing Administrator in our Microsoft 365 tenant. This person is no longer with the company. Their Microsoft account has already been deleted. We are a small team with very limited admin roles assigned. We do not recall intentionally granting them billing-level permissions. We are trying to understand: How could a short-term user have been assigned the Billing Administrator role? Could this have been done automatically through another role assignment (e.g., Global Admin inheritance)? Is it possible this occurred through a CSP/partner relationship? Are there logs we should specifically review beyond standard audit logs? What are best practices to prevent this from happening again in a small tenant? We are currently reviewing: Admin role assignments Audit logs Partner relationships MFA enforcement for all admins If anyone has seen something similar or can suggest specific logs, settings, or controls we should review, I would really appreciate the guidance. Thanks in advance for your help.what happened to my robux digital gift card in Microsoft rewards?
Hello everyone so what happened to my robux digital gift card in microsoft rewards this happened a long time ago to me but im following up about this topic just now microsoft can you please bring back the robux digital gift card? i already have enough points for it and im also a bit sad as well. ok thank you Microsoft if you bring this back. regardless i hope you guys bring it back.Transfer MS Office 365 Business ownership from MSP to own MS Business account
Hello Everybody I need to transfer my clients MS Office 365 Business from current MSP to their own MS Business account. Current MSP very bad service. So, at the end they want to manage their Emails\Licenses on MS Admin Center. What are the steps on doing this?
Is there a way I can see all activity in a shared calendar through an audit log or change log?
I am creating a vacation calendar that would allow all users to edit (add their own vacation/off days) and am worried that someone might accidentally delete someone else's vacation event. I want to have access to the logs to see who deleted the event if it ever happens. Where would I find that? Does it even exist? On the other hand, is there a way for me to set permissions so users can only edit their own content rather than a complete edit priv? Either a room calendar or shared mailbox? tried both briefly but havent been able to figure out how.
Reserve Calendar Time for Bookings
How do you block space out on your personal calendar such that it's only available to Microsoft bookings, and shows busy to others in your organization? I've created a personal bookings page with custom timeslots--that's working just fine. The problem is that people in my org who can see my calendar are sending calendar invites for those same timeslots, making them no longer available to the bookings page. If I add my own events to my personal calendar to mark time as busy, those slots also disappear from the bookings page. How can I adjust things such as to reserve time exclusively for Microsoft bookings and no other users at my org?
Lost Access to Microsoft Authenticator
Hello team, I reimage my phone, unfortunately lost Microsoft Authenticator, I dont have cloud backup enabled in my Authenticator, I try login account in Microsoft Authenticator, but still ask me Authenticator verification, and no other option (like email, SMS, or backup codes) shown, I'm register Microsoft 365 developer account, i'm only admin, could you please let me know the exact steps I need to take or if there is a support escalation route I should follow, thanks for advance.
