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Measuring KPIs like Response Times for Shared Mailboxes
Shared mailboxes are not CRM systems. However, many Microsoft 365 tenants use shared mailboxes to handle customer queries and then want to measure KPIs such as agent responsiveness to customer queries or the number of queries handled per agent in a month. As explored in this article, it’s possible to use the Microsoft Graph and PowerShell to extract some KPI-like data from shared mailboxes. https://office365itpros.com/2026/03/05/shared-mailbox-kpi/
Proper whitelisting of microsoft.com on dnswl.org
I keep having the issue that system-generated e-mails, e.g. on Trace Reports get classified as spam by the receiving e-mail provider. The sender address is email address removed for privacy reasons and the e-mails go to my M365 mailbox and are redirected to my external monitoring mailbox with that e-mail provider. The e-mail provider calculates a score that includes checking the sender's IP address 52.101.69.91 with dnswl.org . Unfortunately, that address is only whitelisted for outlook.com and some secondary domains, but not for microsoft.com. Of course, the issue also occurs with mailto:email address removed for privacy reasons and other IP addresses, so this is an example. It started to occur around two weeks ago, not sure if the provider changed policies or Microsoft changed the whitelisting; of course the provider refuses to overrun dnswl.org it, e.g. by own whitelisting. Who at Microsoft could I ask to fix that kind of issues? I don't find any appropriate category in their support menues, M365 support says the cannot help (TrackingID#2603031420001611). Thanks in advance for any hints, this is my first posting here, so please forgive me, if this is a dumb question.Exchange online - track deleted mail
I am 365 admin and see quite often people rapport "all my mails are in deleted post - and I have done nothing" or similar What is the best practice to investigate that. I know in powershell I have made some auditsearches, where it rapports like softdelete, hardelete etc - but is there any more specific way proving that the user actually did in on his own ? - I know with retention policies it is hard delete - but just wondering what the best practice is like to prove to the user that this is the user. Just write that it is soft deleted and means user have done it, often the user think is not understandable
Retire last Exchange Server but keep directory sync
Hello all -- I'm looking for guidance on the recommended way to retire our last Exchange 2019 server while maintaining directory synchronization in our environment. We do not have any mail flowing through our exchange server, never have. It was only installed 10 years ago for a hybrid deployment. I believe one supported path is to stand up a member server and install the Exchange Management Tools on it. Given that Exchange 2019 is already out of support, is the the long term path moving forward? I've also read about an attribute "IsExchangeCloudManaged". In this scenario, I can set this on a per-mailbox basis and manage attributes such as proxyaddresses, extension attributes, and other non-AD-managed attributes. Is this the more forward path to take? Thinking about our user provisioning process now, we have a PowerShell script that creates the user in AD and connects to our hybrid Exchange server to Enable-RemoteMailbox. In this scenario, we would still create the user in AD, wait for the sync to happen, then enable the IsExchangeCloudManaged. Would this now provide the ability to manage additional addresses, or even, shared mailboxes without having to migrate from AD --> EXO - all while keeping AD in sync with cloud mailboxes? Am I thinking about this correctly? Thanks for any insight sbExchange Online PowerShell Dumps the Credential Parameter
On February 12, Microsoft announced the deprecation of the Credential parameter for the Connect-ExchangeOnline cmdlet in the Exchange Online PowerShell module. The deprecation won’t affect interactive sessions (which should all be protected by MFA), but it might stop some background jobs running when Microsoft retires the server components that currently support the ROPC authentication flow. Time to check scripts! https://office365itpros.com/2026/02/16/exchange-online-powershell-ropc/Exchange 2019 Certificate Error
Hello guys, I plan to migrate my users on Exchange 2019, currently, i have 2 Exchange 2013 servers. As soon as i installed the exchange Server 2019, I changed all the virtual directories and i also runned the command to make sure the users doesn't connect on the new server. But now every users who uses Microsoft Outlook from the environment have a pop up that says that the certificate is not valid, and its normal because I can't apply the services SMTP and IIS on my wildcard certificate. Indeed, when i enable the services SMTP and IIS on my new certificate, it doesn't apply. I tried to enable from the ECP, it says "Are you sure you want to replace the existing certificate", when i say yes, it doesn't change anything, the smtp service is still unchecked. I also tried to stop IIS and restart IIS, restart the server but it doesn't changed anything, and I also tried to enable the services directly with the powershell command with the correct thumbprint of the wildcard certificate as it is said on the event viewer : "Enable-ExchangeCertificate -Server "EX01-2019" -Thumbprint A6BC992FDD... -Services SMTP,IMAP,IIS -Force" But it still don't work, when i check the certificate, only the service IIS is active. I had to uninstall completely the exchange server, because users were complaining about the pop up. Have anyone faced this problem before? Thank you very much for your advices guys
Exchange 2010 to Microsoft 365 Migration – Recommended Approach and Tools
I’m looking for guidance on migrating Exchange 2010 (on-premises) to Microsoft 365 / Office 365. Is a direct migration from Exchange 2010 supported, or is an intermediate hop (such as upgrading Exchange or setting up a hybrid configuration) required? Additionally, could you please recommend any reliable tools that can help with this migration? I also have a few PST files that need to be migrated as part of the process. I’d appreciate insights on best practices, common challenges, and lessons learned from real-world migrations. Thanks in advance for your help.
