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Scheduling Assistant no longer functional?
I note that I see Microsoft have announced an inncident, however, i'm not completely sure these are related: https://admin.cloud.microsoft/?#/servicehealth/:/alerts/EX1092751 A few weeks ago we had no issues making use of the scheduling assistant feature when inviting users, however, this seems now to have broken. Oddly enough if I was to add one of these users calendars to my own I can still browse them without issue, it's only durig the scheduling function that it is left completely grayed out. On investigation, it appears tied to users setting their working hours, by default this appears turned off for users, but if I was to set this, it does seem to work, albeit after some time waiting. Could this be due to an issue from MS, an unexpected change from MS (Places?) or something else? But it seems it's no longer pull the data from the same location, and as such, we're a bit confused as to why.
Need expertise advise on an event of mass mail-send
Hi all, We have a consultation from one of the application team about a mass mail that they are planning to send the number of emails is 60k, the challenge here is we cannot ask them to create group and send out an email because each of the recipient will be sent with a distinctive attachment and distinctive mail body content, hence no solution will work for now. We have a hybrid exchange setup with an Open SMTP Relay that connects to around 32 Exchange onprem servers and these servers will route those mails to Office365 Exchange Online as all of our mailboxes are hosted in Exchange Online. ALthough i am suggesting them to break these down to smaller batches and send in different time-slots giving 30 minute gap after each gap. I just want to be thoughtful and give the best suggestion, so what are all the things i would need to look into from Exchange standpoint and end to end monitor the situation.
Questions for Exchange 2016 to EXO
Hi, I have a few questions regarding a migration/transition to Exchange Online. I'm new to this environment but we are currently running Exchange 2016 and will deploy Exchange 2019 during the summer and then upgrade to Exchange SE during the fall. I know 2016/2019 will be unsupported in Oct. We recently got the thumbs up for moving to Exchange Online for the majority of mailboxes but we will keep a few on-premises servers to host some mailboxes as well as acting as a mail-relay for a few servers/systems. Im throwing a few questions I have here while I'm trying to search and read the articles online: Questions/comments: We have the sync to Entra ID up and running so that part seems OK We will run the HCW and establish a hybrid between the current Exchange 2016 environment and Exchange Online. MX shall still be pointing towards on-prem. When Exchange 2019/SE is deployed we will run the HCW again to link the new servers. Do I need to run the HCW while on Exchange 2019 and then again after the servers are upgraded to Exchange SE? Or are they concidered the same servers and this is like a CU? In terms of mailboxmigrations and DNS entries like mail.company.com and autodiscover.company.com. How can we plan and manage so its seamless for the users? Shall we keep mail and autodiscover for internal lookups pointed to the current on-premises environment (via hardware load balancer) and add the external ones pointing towards EXO? If internal clients still on Exchange 2016 starts Outlook they will still use internal DNS and connect to the Exchange 2016 environment? If external clients starts Outlook they will connect to Exchange Online and proxied back to its mailbox on-prem? (if they are not yet migrated) If a mailbox is moved, internal outlook clients will be proxied to Exchange Online? If a mailbox is moved, external outlook clients will stop the proxy and connect directly to the mailbox in Exchange Online? After a mailbox migration, will the enduser see the "Please restart Outlook notification?" Are mailboxes still on-prem able to connect to a shared mailbox hosted online? Are mailboxes online able to connect to shared mailboxes hosted on-prem? Thanks for your help and hope the answers bring some clarity so we can start planning for the migration strategy.How to Block PST Files for the New Outlook for Windows
An OWA mailbox setting is available to block PST access for the new Outlook for Windows client. The setting mimics controls available for Outlook classic, where companies have been blocking PST access for a long time. Once email is in a PST, it’s invisible to any of the compliance solutions that organizations pay for. It’s also invisible to Copilot, which might not be a bad thing… https://office365itpros.com/2025/06/09/block-pst-access-new-outlook/Exchange Online Upgrades Its Message Tracing Capabilities
Microsoft announced the GA for the new message tracing feature on June 3. The old code will be deprecated in September 2025, so it’s time to update any PowerShell scripts that use the Get-MessageTrace or Get-MessageTraceDetail cmdlets. Upgrading is easy (as demonstrated in two scripts) and shouldn’t take too long, once you find the time to do the work. https://office365itpros.com/2025/06/05/message-tracing-v2/Problem with mailbox migration form Exchange online to Exchange On-Prem
During the mailbox migration process between Exchange Online to Exchange On-Prem, the following error occurs: Write-ErrorMessage : || At C:\Users\s***.p***\AppData\Local\Temp\tmpEXO_kahlyk0j.2eq\tmpEXO_kahlyk0j.2eq.psm1:1189 char:13 + Write-ErrorMessage $ErrorObject + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [New-MoveRequest], MRSRemotePermanentException + FullyQualifiedErrorId : [Server=VI1P195MB******,RequestId=14ff539b-f726-de45-6d8f-d0380df2d970,TimeStamp=Wed, 04 Jun 2025 08:38:19 GMT],Write-ErrorMessage
Can't get Exchange inbox to sync on Android Outlook app
I have been dealing with this issue for a year. I am an IT Tech and I cannot get my email to sync on my phone and the other techs can't figure it out either. I downloaded the Outlook app on my phone and set my work account up manually (adding server and domain name, etc) and by choosing Exchange. But the inbox will not sync. I tried it on my wife's phone as well but it also will not sync the inbox so I have a feeling that there is something wrong with my account. My coworker logged into his account on my phone and his inbox immediately synced, so I don't think it is an issue with my phone but possibly an issue with my account. I even deleted my email account in the EAC and created a new one but I am having the same problem. My organization uses Exchange 2013. Things I have tried on my phone- restarting phone, changing settings in the Android Outlook settings: battery is set to unrestricted, "allow data usage while data saver is on" is set to on, and turning off "remove permissions if app is unused". Is there a setting in either the Microsoft 365 admin center or the Exchange admin center that I need to change?Removing Public Folders in Exchange 2016 Hybrid
We have Public Folders, and Public Folder Mailboxes in Exchange 2016 Hybrid. All users' mailboxes have been migrated to Exchange Online. We want to discontinue, remove / Delete Public Folders in Exchange, don't want to migrate onto Exchange online. What is the best practice to delete Public Folders in Exchange 2016? Any guidelines to check Public Folders usage, backup, removing without business interruption much appreciated. Thanks in advance
Organization Sharing with Google Workspace
Hello all, In Exchange it is possible to share organization calendars with other organizations, when these companies use Exchange. When we add a domain that is hosted in Google Workspace, we get an error. Is it possible to configure Exchange/Google Workspace so we can share calendars? Kind regards, Arjan
