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Exchange 2019 - Exchange SE - In-Place upgrade
Hello, we’re currently running an Exchange Server 2019 hybrid environment (DAG on-prem + Exchange Online) with a few on-prem user mailboxes used for automated system communications (SMTP) - the mailboxes are not being used in Outlook. We migrated from Exchange 2016 to Exchange 2019, using a trial installation of Exchange 2019, which has expired. We are planning to upgrade to Exchange Server Subscription Edition (SE) and want to ensure the following is supported: - Can we perform an in-place upgrade from the expired Exchange 2019 trial to Exchange Server SE, or do we need to relicense/reactivate Exchange 2019 first? - What is the right / best action plan for us in this case Kindest Regards LeonLeonPavesicJul 18, 2025Silver Contributor102Views0likes2CommentsHow to Send-As a Distribution Group (via SSIS ScriptTask) via Exchange Online using Modern Auth?
We have a SQL Server Integration Services (SSIS) task that retrieves emails from a table in our Customer Relationship Management (CRM) system. The emails contain From:, To:, Cc, and Bcc: addresses, in addition to the body and other data. The SSIS task then reads the data, connects to a local on-premises Exchange 2016 server to send the emails, and allows the SQL Server IP address to log in anonymously and send emails as any user in the From field, provided the address is valid on the Exchange server. We are considering removing the local on-premises Exchange 2016 server and need to modify the SSIS task to connect to Exchange Online to send the emails. We are exploring the use of Modern Authentication, App Registration, and Microsoft Graph to send the emails. The From addresses in the CRM can be an address of a User Mailbox, Shared Mailbox, or Distribution Group. Based on my research, it appears there is no way to send emails as a Distribution Group via Microsoft Graph. Therefore, I am forced to use SmtpClient and logging in as a user with Send-As permissions on all of the groups, which has its own drawbacks. What is the proper way to programmatically send as a Distribution Group? We have about 40 Groups we send as.scooter133Jul 18, 2025Copper Contributor23Views0likes1CommentExchange Mailbox copy Databases Keep Disconnect
Hello, Since June 26th, PRTG has been notifying me about the disconnection of the copy databases on the secondary Exchange server. Each time, I receive an alert about one of the copy databases hosted on the secondary Exchange server, and it comes back online in less than 5 minutes. Everything is working fine on the primary Exchange server, and the mounted databases on the secondary server are also functioning properly. Only the copy databases on the secondary Exchange server keep disconnecting and go back online in less than 5 minutes.MasPAN74Jul 18, 2025Copper Contributor32Views0likes2CommentsRecurring booking issues // 'AutomateProcessing' enabled on delegate approval
Having issues with our 9 rooms just behaving terribly - bookings just do not sync between different users. Have tried wiping and rebuilding the permissions. Still having issues. Have tried using Exchange AC's built in 'Resource Booking' report - this actually does not show me any bookings for the last three days. Have tried using the AC's 'Calendar Logs' report, which gives me the following output for a specific booking. Things I notice: 1) a lot of 'Not Found' params and 'InvalidSchemaPropertyName' params. 2) The timestamps are all in UTC, despite us being AST. I'm not sure if either of these have anything to do with bookings not sync'ing between users or not. CoPilot has suggested they may be influencing things - and you'd think in that case you'd be able to edit them without powershell, but.. CoPilot pulls from Microsoft docs. . Below is the output from the 'Calendar Logs' report - I can't really make sense of it. This was originally made in the web client, then checked on Outlook - I'm not sure how these relate, or if there's even a way to check this? CleanGlobalObjectId OriginalLastModifiedTime CalendarLogRequestId CalendarLogTriggerAction CalendarProcessed ExternalSharingMasterId OriginalClientInfoString ClientInfoString ItemClass OriginalStartDate ItemVersion ParentDisplayName OriginalParentDisplayName AppointmentAuxiliaryFlags AppointmentRecurrenceBlob AppointmentLastSequenceNumber AppointmentRecurring AppointmentSequenceNumber AppointmentState CalendarOriginatorId CalendarItemType ChangeList ClientIntent CreationTime DisplayAttendeesAll DisplayAttendeesCc DisplayAttendeesTo EndTime EndTimeZone FreeBusyStatus From GlobalObjectId HijackedMeeting IsCopyOnWriteItem IsException IsMeeting IsRecurring IsResponseRequested IsAllDayEvent IsCancelled IsProcessed IsSoftDeleted ItemId LastModifiedTime Location MapiIsAllDayEvent ResponseType MeetingRequestType OriginalCreationTime ReceivedBy ReceivedRepresenting RecurrencePattern ResponseState ResponsibleUserName SenderEmailAddress SentRepresentingEmailAddress SentRepresentingDisplayName StartTime StartTimeZone SubjectProperty TimeZone TimeZoneBlob TimeZoneDefinitionEnd TimeZoneDefinitionRecurring TimeZoneDefinitionStart IsSeriesCancelled IsOrganizerProperty 040000008200E00074C5B7101A82E00800000000A83A46BDB4F4DB01000000000000000010000000A5E908D6D17BB44B9B66DF5493C5B457 7/14/25 11:45 a0a4dc98-5a84-3da9-8092-5e0b2929dd82 Create NotFound NotFound null Client=REST;;;Client=REST;InternalCalendarSharing (Client=OWA;Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 Edg/138.0.0.0;)[AppId=1c06531d-b56d-4cfb-8ad0-53c87d70093e]; IPM.Appointment NotFound 1 Calendar Calendar NotFound NotFound NotFound FALSE 0 None null Single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one null NotFound NotFound NotFound ######## null Busy Whisper Room" <email address removed for privacy reasons>" 040000008200E00074C5B7101A82E00800000000A83A46BDB4F4DB01000000000000000010000000A5E908D6D17BB44B9B66DF5493C5B457 NotFound null FALSE FALSE FALSE TRUE FALSE FALSE NotFound NotFound null ######## FALSE Organizer NotFound null NotFound NotFound NotFound my user InvalidSchemaPropertyName InvalidSchemaPropertyName Whisper Room 7/14/25 23:30 null Nayan (UTC-04:00) Atlantic Time (Canada) null null null null NotFound TRUE 040000008200E00074C5B7101A82E00800000000FA708467B8F4DB01000000000000000010000000F867D9C874F9174F934BDB74C4FBE325 7/14/25 12:11 60d5d7fc-a7ec-ae24-d03d-22ff648dcf18 Create NotFound NotFound null Client=REST;;;Client=REST;InternalCalendarSharing (Client=OWA;Action=ViaProxy)[AppId=1c06531d-b56d-4cfb-8ad0-53c87d70093e]; IPM.Appointment NotFound 1 Calendar Calendar NotFound NotFound NotFound FALSE 0 None null Single 763243616C656E6461724C6F6767696E67F4CD00000000000095B600000400000075B1000000000000F4EC00007C000000F48C00000000000074C600000000000074E400000000000095EA000000000000958A000000000000F5A9000000000000F5A900000000000075DD00000000000095E2000000000000F487000078000000F4BB000000000000F4FB000000000000F4DB000000000000F4E3000000000000F483000000000000F4E3000000000000F483000000000000F4D3000000000000F4EB000000000000F48B000000000000F5A9000000000000F497000000000000F4D7000000000000F4CB000079000000F4BB000000000000F4FB000000000000F4AB000000000000F48B000000000000F5A9000000000000F497000000000000F4D7000000000000F497000000000000F4D70000000000004C8C010000000000748900006A0000004C8C010000000000748900006A0000004C8C010000000000748900006A0000004C8C010000000000748900006A00000075EF000000000000F5F900000000000034A500000000000034E5000000000000948200005D00000074A700006E000000749600000000000074D60000000000001CC60000000000001C86000000000000F497000000000000F4D7000000000000F497000000000000F4D70000000000004C8C010000000000748900006A0000004C8C010000 None null NotFound NotFound NotFound ######## null Busy Whisper Room" <email address removed for privacy reasons>" 040000008200E00074C5B7101A82E00800000000FA708467B8F4DB01000000000000000010000000F867D9C874F9174F934BDB74C4FBE325 NotFound null FALSE FALSE FALSE TRUE FALSE FALSE NotFound NotFound null ######## FALSE Organizer NotFound null NotFound NotFound NotFound my user InvalidSchemaPropertyName InvalidSchemaPropertyName Whisper Room 7/14/25 11:30 null Nayan (UTC-04:00) Atlantic Time (Canada) null null null null NotFound TRUE sorry for the format - it wouldn't let me post it any other way. The spreadsheet is attached tho I've used the following cmdlets in PowerShell to dig into this issue - Get-CalendarProcessing, Get-MailboxFolderPermissions, Get-MailboxRegionalConfig. These are setup with 2 delegate editors (as in, people who approve/decline meeting invites) and 6 editors (people who can book without needing approval, and do not have the Delegate flag. All 8 have SendAs permission, so bookings dont just show under their name.. Weirdly, these rooms look to have AutomateProcessing set to AutoAccept, despite very clearly being configured not to do this in EAC. THIS article of course does not mention the AutomateProcessing param except for in 3 examples - one of which is a delegation scenario where logically, automate processing would be off. I have enough experience to know not to trust an official microsoft KB. PS C:\Users\me> get-CalendarProcessing -identity "whisperroom" | fl AutomateProcessing : AutoAccept <<<<<<<<<<<<<< what? AllowConflicts : False AllowDistributionGroup : True AllowMultipleResources : True BookingType : Standard BookingWindowInDays : 180 MaximumDurationInMinutes : 1440 MinimumDurationInMinutes : 0 AllowRecurringMeetings : True EnforceAdjacencyAsOverlap : False EnforceCapacity : False EnforceSchedulingHorizon : True ScheduleOnlyDuringWorkHours : False ConflictPercentageAllowed : 0 MaximumConflictInstances : 0 ForwardRequestsToDelegates : True DeleteAttachments : True DeleteComments : True RemovePrivateProperty : True DeleteSubject : True AddOrganizerToSubject : True DeleteNonCalendarItems : True TentativePendingApproval : True EnableResponseDetails : True OrganizerInfo : True ResourceDelegates : {delegates - the 2 users with SharingPermissionFlag:Delegate} RequestOutOfPolicy : {} AllRequestOutOfPolicy : False BookInPolicy : {} AllBookInPolicy : False RequestInPolicy : {} AllRequestInPolicy : True AddAdditionalResponse : False AdditionalResponse : RemoveOldMeetingMessages : True AddNewRequestsTentatively : True ProcessExternalMeetingMessages : False RemoveForwardedMeetingNotifications : False AutoRSVPConfiguration : Microsoft.Exchange.Data.Storage.AutoRSV PConfiguration RemoveCanceledMeetings : False EnableAutoRelease : False PostReservationMaxClaimTimeInMinutes : 10 DnToOidMappings : {} MailboxOwnerId : Whisper Room Identity : Whisper Room IsValid : True ObjectState : Changed I'm getting really frustrated by the incoherence between backend and frontend configuration, no actual dev-written documentation, and that there's 5-6 different cmdlets that affect calendar processing, and they aren't just all under 'Get-CalendarProcessing' . I DO have mailbox auditing enabled for these resources, I'm just reluctant to add MORE logs into the mix, when all the current ones have done is make things less clear. Would love some helpunderQualifriedJul 18, 2025Copper Contributor43Views0likes1CommentThunderbird and Microsoft Exchange server 2019 phantom folder
I am using microsoft exchange 2019 mail server. I use Thunderbird mailbox client And during folder transfer, deletion or renaming, phantom folders are created. I use the imap protocol. If I install this mailbox on another computer, the phantom folders are loaded. There are no such problems with Outlook. Can anyone tell me what to do about this?santapinkiJul 17, 2025Copper Contributor281Views0likes2CommentsMicrosoft Introduces Exchange 2016/2019 Extended Security Program
The Exchange Extended Security Update program is a 6-month lifeline for organizations struggling to upgrade servers to Exchange Server SE. Although it’s easy to upgrade a server to , many things might get in the way before the Setup program can run. Small things like vacations, buying new hardware, or deploying a new O/S. From August 1, organizations can sign up to receive security updates from October 2025 to April 2026. https://office365itpros.com/2025/07/17/exchange-extended-security-update/21Views0likes0CommentsOME Template Branding
Dear Community, Question is - Is It possible to delete the Microsoft "Learn More" Link at the end of the Template? Do you have any Idea what can cause this issue? I really appreciate any help you can provide! I can change everything in the Template except "Learn More" There is no Parameter to change it.FKH900Jul 17, 2025Copper Contributor379Views0likes1CommentExchange Online Reduces Delicensing Resiliency Threshold to 5,000 Mailboxes
A July 15 announcement says that Exchange Online is reducing the Delicensing Resiliency threshold from 10,000 to 5,000 mailboxes. That’s fine, but this feature should be available for all Exchange Online tenants. It’s a sticking plaster for how group-based licensing works and is inconsistent with how OneDrive for Business deals with unlicensed personal user data. https://office365itpros.com/2025/07/16/delicensing-resiliency-5000/13Views1like0CommentsHigh Volume Email Account and Conditional Access
Hi all, We've set up a HVE account, and set up a Conditional Access Policy targeting this account to block sign-in to all cloud apps for any location except for the excluded IP address ranges. A couple of problems: 1. I can still authenticate and send from an IP address not in the excluded range. 2. I don't see any sign-in logs on Entra ID under this account. Has anyone been successful securing the HVE account with conditional access please? I've tested with a physical scanner and also 'Send-MailMessage' using powershell - none of the authentications are logged in Entra ID.rayhwangJul 16, 2025Copper Contributor829Views0likes6Comments
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