The hosting venue has changed to serve you better.
Recently, as part of a tenant-to-tenant migration, I ran into a problem where a customer had included all of their resource calendars (conference rooms, reservable equipment) in calendar migrations.
Unfortunately, once you’re no longer in the source tenant, you don’t have a way to cancel the meetings.… [ Continue reading ]
While updating my EOP best practices post (which you most definitely should read), I was thinking about a task that I get asked with some regularity (not as much as when I was in the field consulting, but still pretty regularly). … [ Continue reading ]
Today, I was approached by a peer with a particularly interesting situation–blocking a particular type of system-generated message from hitting the mailbox. In particular, a voicemail.
Voicemail messages in Exchange Online / Teams Phone world are delivered via email to the recipient’s mailbox and generally include the voicemail as an audio attachment in addition to a transcription of the message. … [ Continue reading ]
Earlier this evening, a former peer asked me about trying to bulk delete items from the Drafts folder on a customer’s Exchange Server 2010. While Microsoft Exchange Server 2010 reached end of support in October 2020, it still will work (though we certainly don’t recommend keeping it around, as it’s no longer receiving regular maintenance, support, or security updates).… [ Continue reading ]
It’s well-known that our Government Community Cloud instance of Office 365 doesn’t support emailing a channel. This can be problematic when you are attempting to schedule a channel meeting and include recipients not on the platform. What ends up happening is the recipient can actually receive an NDR (because they can’t send the meeting acceptance back to the channel).… [ Continue reading ]
I’m gonna channel the great Etta James:
Ok, I’m back.
I’ve been waiting for this feature for what seems like an eternity–the ability for a mailbox that has multiple proxy addresses to send from any of those addresses.
As most of you probably know, a mailbox can have a whole lot of additional SMTP addresses associated with it (a mailbox can have up to 400 proxy addresses stamped on it). … [ Continue reading ]
Hi! Just a quick note to let you all know I’ve updated the email validation function for the Get-PublicFolderIDFixReport tool used when verifying mail-enabled public folders. I used the formula from my previous post. 🙂
If you have ideas on how to make this tool more useful, please let me know!… [ Continue reading ]
Since the TechNet Gallery retirement, I’ve had several users contact me regarding the Public Folder IDFix tool that I put out almost 6 years ago. I don’t do a lot of Exchange Public Folder migrations any more, so I shelved a lot of updates and things that I had planned for my public folder tools.… [ Continue reading ]
This week, I was helping someone troubleshoot authentication issues when hybrid migration mailboxes to Exchange Online.
In order to migrate a mailbox successfully, the EWS endpoint virtual directory should have NTLM/Negotiate authentication method available.
You can quickly see what the endpoint is showing available by using this function:
Function Test-MigrationEndpointAuthentication($Url)
{
# Build URL
$Url = $Url.TrimEnd('.').TrimEnd('/').TrimEnd('.')… [ Continue reading ] 
Not a week goes by where I don’t get asked a question about eDiscovery or retention of data in the Office 365 (or Microsoft 365 platform). We’ll mainly focus on mailbox questions here, though a lot of the concepts apply to SharePoint content as well.… [ Continue reading ]
Just a quick post today–I’ve re-published my Wipe-ExchangeOnlineMailbox script to the PowerShell gallery.
Hopefully, this helps everyone who continues to want to use this script. Good luck!
And, if you accidentally delete too much stuff, be sure to check out my post about recovering from self-inflicted wounds: Using Restore-RecoverableItems, or “how I saved my own bacon”
I get asked this question quite frequently–usually by customers who want to continue using their existing on-premises antispam or antimalware gateway or want to attempt to implement a defense-in-depth strategy.
The graph and intelligence behind Exchange Online Protection (EOP) processes at least half a trillion (500,000,000,000) messages a month–the AI behind it is continually monitoring and learning what is spam and what is not.… [ Continue reading ]
While working on a cross-tenant issue with a customer, I had the requirement minimize the number of non-delivery reports sent to external users. I suggested the best way to do this might be a catch-all mailbox.
What exactly is a catch-all mailbox? … [ Continue reading ]
A peer of mine today asked if it was possible to review the log of the Managed Folder Assistant, and, if it was, how to find the last time it ran.
As it turns out, you can! You can also find a whole lot of interesting stuff from the diagnostics perspective.… [ Continue reading ]
Today, I found myself working with a customer that was experiencing delivery failures to some Office 365 recipients from all external senders.
As problems go, this one definitely finds itself in the “interesting” category. No, it’s never good to have “interesting” problems (just ask a doctor).… [ Continue reading ]