Recent Discussions
Could any one explain Exchange Server SE Licensing Model?
I have the following M365 licenses in my education tenant: Microsoft 365 A5 without Audio Conferencing (Student Use Benefit) As per my understanding, each user requires an A3/A5 license to access their mailbox on an Exchange Server (Exchange SE). Since A3/A5 licenses already include Exchange Online, do we still need to assign these licenses to each on-premises user, or is this only for compliance purposes? For example, if we have 100 on-premises users, must all 100 users be assigned A3/A5 licenses in Microsoft 365? Reference articles are below. Microsoft Product Terms Please correct me if I am wrong.
Checking the Effectiveness of a Transport Rule to Block Spammy Email
Some weeks ago, I wrote about using a transport rule to suppress spammy email by sending the messages to the quarantine. But what’s the best way to check the rule’s effect? One method is to use the transport rule report PowerShell cmdlet to check for the actions you expect the rule to perform. Once information is found, it’s a matter of slicing and dicing the data. https://office365itpros.com/2025/11/26/transport-rule-effectiveness/
Update Dynamic Distribution List
we are a hybrid environment, running exchange 2019 and have a few DDLs which have been around from previous exchange versions. One of the DDLs i need to modify is the below. Its hard to read and i am trying to work out where i add the extra fields i want to include. I am looking to add another custom attribute and possibly include members of a security group. Is there anyway to make this easier to read so i know where to add things? Any other tips? ((((((((((((((((((((((((((Company -eq 'Contoso') -and (CustomAttribute4 -eq 'City'))) -and (((((CustomAttribute7 -eq 'Group') -or (CustomAttribute7 -eq 'Contractor'))) -or (CustomAttribute7 -eq 'Permanent'))))) -and (((RecipientType -eq 'UserMailbox') -or (((RecipientType -eq 'MailUser') -and (CustomAttribute12 -ne 'Excluded'))))))) -and (-not(Name -like 'SystemMailbox{*')))) -and (-not(Name -like 'CAS_{*')))) -and (-not(RecipientTypeDetailsValue -eq 'MailboxPlan')))) -and (-not(RecipientTypeDetailsValue -eq 'DiscoveryMailbox')))) -and (-not(RecipientTypeDetailsValue -eq 'PublicFolderMailbox')))) -and (-not(RecipientTypeDetailsValue -eq 'ArbitrationMailbox')))) -and (-not(RecipientTypeDetailsValue -eq 'AuditLogMailbox')))) -and (-not(RecipientTypeDetailsValue -eq 'AuxAuditLogMailbox')))) -and (-not(RecipientTypeDetailsValue -eq 'SupervisoryReviewPolicyMailbox')))) -and (-not(Name -like 'SystemMailbox{*')) -and (-not(Name -like 'CAS_{*')) -and (-not(RecipientTypeDetailsValue -eq 'MailboxPlan')) -and (-not(RecipientTypeDetailsValue -eq 'DiscoveryMailbox')) -and (-not(RecipientTypeDetailsValue -eq 'PublicFolderMailbox')) -and (-not(RecipientTypeDetailsValue -eq 'ArbitrationMailbox')) -and (-not(RecipientTypeDetailsValue -eq 'AuditLogMailbox')) -and (-not(RecipientTypeDetailsValue -eq 'AuxAuditLogMailbox')) -and (-not(RecipientTypeDetailsValue -eq 'SupervisoryReviewPolicyMailbox')))
Exchange SE product key Clarity
Hi All, After installing the Exchange SE server, the following parameters appeared when I ran the command. Can we leave these statuses as they are until Microsoft provides the new CU and product key ? Please confirm Get-ExchangeServer -Identity newse | fl fqdn,product*,*edition* Fqdn : NewSE.test.local ProductID : Edition : StandardEvaluation IsExchangeTrialEdition : True IsExpiredExchangeTrialEdition : False
Outlook Client unable to search on Server. 'Server unavailable. 12 months of results shown.'
I am getting this error with a client on a main workstation, but another workstation searches via Outlook works OK One workstation is running Office 365 Pro Plus 1902 - not working Another Laptop runs Office 2016 and works My process to migrate from 2013 to 2019 included - making MAPI enabled. I added 3 servers that I will DAG, asnd eventually take down the 3 2013 servers (but they are still up and running). I ran the following (with my server names) on my 3 new servers 1 Get-OutlookAnywhere -Server srvexc2019 | Set-OutlookAnywhere -InternalHostname ex02.mydomain.com -InternalClientAuthenticationMethod Ntlm -InternalClientsRequireSsl $true -ExternalHostname ex02.mydomain.com -ExternalClientAuthenticationMethod Basic -ExternalClientsRequireSsl $true -IISAuthenticationMethods Negotiate,NTLM,Basic 1 Get-EcpVirtualDirectory -Server srvexc2019 | Set-EcpVirtualDirectory -InternalUrl https://ex02/mydomain.com/ecp -ExternalUrl https://ex02.mydomain.com/ecp 1 Get-OwaVirtualDirectory -Server srvexc2019 | Set-OwaVirtualDirectory -InternalUrl https://ex01.mydomain.com/owa -ExternalUrl https://ex02.mydomain.com/owa 1 Get-WebServicesVirtualDirectory -Server srvexc2019 | Set-WebServicesVirtualDirectory -InternalUrl https://ex02.mydomain.com/EWS/Exchange.asmx -ExternalUrl https://ex02.mydomain.com/EWS/Exchange.asmx 1 Get-ActiveSyncVirtualDirectory -Server srvexc2019 | Set-ActiveSyncVirtualDirectory -InternalUrl https://ex02.mydomain.com/Microsoft-Server-ActiveSync -ExternalUrl https://ex02.mydomain.com/Microsoft-Server-ActiveSync 1 Get-OabVirtualDirectory -Server srvexc2019 | Set-OabVirtualDirectory -InternalUrl https://ex01.mydomain.com/OAB -ExternalUrl https://ex02.mydomain.com/OAB 1 Get-MapiVirtualDirectory -Server srvexc2019 | Set-MapiVirtualDirectory -InternalUrl https://ex02.mydomain.com/mapi -ExternalUrl https://ex02.mydomain.com/mapi I can search OK from online owa Any Idea how to fix the search on Outlook clientOL client in-app link for getting OL for iOS or Android not working
Hello! Redirected to this forum from here: https://learn.microsoft.com/en-us/answers/questions/5617563/ol-desktop-link-broken-file-get-ol-app-for-ios-and See error description and attempt to solve it by following the link. For some reason, Windows clients in our organization can not follow the Outlook desktop client in-app link for getting Outlook for iOS or Android. (hybrid, no mailboxes in MS-cloud, only on prem) The link for getting the Outlook app for iOS and Android under File when logged into Outlook app does not seem to work. Clicking on it seems to send user to the URL: go.microsoft.com/fwlink/?LinkId=2112779 but quickly redirects and ends up with https://w2.outlook.com/l/mobile?WT.mc_id=Backstage**Win32**All**Hyperlink** https://learn-attachment.microsoft.com/api/attachments/cb7d456f-ac6e-4566-a4ef-ffa912500423?platform=QnAhttps://learn-attachment.microsoft.com/api/attachments/cb7d456f-ac6e-4566-a4ef-ffa912500423?platform=QnA We haven't been able to figure out why, but since the same two different accounts mentioned in the thread above works on a private device on a private home network, is seems like something in our environment is the cause.Federation Trust Gateway broken - OrgCertificate cannot be uploaded
Hey guys, last week we have done Windows Server updates and this broke some stuff. Some certificates have been unbound and so on. Until then the full classic hybrid worked quite good in our Exchange Server 2016 CU23 environment. We are just in the process of upgrading/migrating. But after this point of time the On-Premises users stopped being able to see the calendars of the cloud users, other way around still worked. So we started trying to fix the hybrid deployment with several runs of the HCW (which is always fine) and rebuilding the organizational relationship and the trust federation gateway. This was quite exhausting, as we updated a bunch of domains in global DNS several times. Currently, neither direction is functioning. Now it looks like the Federation Trust Gateway is in an inconsistent state. When I try... Set-FederationTrust -Identity "Microsoft Federation Gateway" -PublishFederationCertificate then I get the message, that the rollover certificate (OrgNextPrivCertificate) is not set and that I only can publish, when this is done. When I try to define a rollover certificate, then I get the message, that the rollover certificate cannot be set until the OrgCertificate has been published. So, we have a chicken-and-egg situation here. Thanks for any help.How to Find Active EWS-Based Apps in a Microsoft 365 Tenant
Microsoft will retire Exchange Web Services (EWS) from Exchange Online on October 1, 2026. A new usage report helps tenants understand what apps use EWS. Many of the apps are likely to be first-party (Microsoft) apps, but some might be third-party apps developed externally or internally. Those apps need to be retired or upgraded to use Graph APIs. Time is slipping away to do the work. https://office365itpros.com/2025/04/29/exchange-web-services-apps/
Exchange 2016 with Hybrid Configuration
We have Exchange Server 2016 configured in a hybrid environment. We encountered an error when one of our administrators attempted to install a cumulative update that was the same version as the one already installed. After that, we were unable to access OWA, ECP, or the Exchange Management Shell. Exchange Server 2016 CU23 (2022H1) 15.1.2507.6Finding Unused Proxy Addresses for Exchange Online Mail-Enabled Objects
A request came in about how to find unused proxy addresses for Exchange Online mail-enabled objects. There's no out-of-the-box report available for proxy address usage, but we can solve the problem by using a PowerShell script to download historical message trace data to check every proxy address for all mailboxes against. The question then is what to do with the unused proxy addresses? https://practical365.com/find-unused-proxy-addresses/
Exchange 2019 AvailableNewMailboxSpace
Hello! Colleagues, have you encountered a situation where Exchange 2019 does not provide accurate information about the amount of free space in databases (AvailableNewMailboxSpace) via EMS? Using this command: Get-MailboxDatabase -Status | Sort-Object Name | Select-Object Name,@{Name=‘DB Size (GB)’; Expression={[math]::Round($_.DatabaseSize.ToGb(),2)}},@{Name=‘Free Space (GB)’;Expression={[math]::Round($_.AvailableNewMailboxSpace.ToGb(),2)}} | Format-Table -AutoSize Exchange 2016 displays the information correctly, but 2019 does not display it correctly in gigabytes or the numbers are unclear. Do you know of another way? Thank you!M365 Exchange - delete Calendar entries
Maybe a simple question, but struggle to find a way to do it I have a 365 admin account for our m365 tenent and running exchange online. A user has left and people struggle to cancel some meetings the person who has left has invited for. I hoped that I just could run some powershell script that silently would cancel all meetings that person has made. But struggle to find a way Anyone has some input on how to do this ? - and as mention I have exchange admin rights.
Dynamics 365 App for Outlook is not supported Cross Tenant
Hello, I am referring to the disclaimer here which clearly says that Dynamics 365 App for outlook is not supported when the excahange online is on a tenant separate from the Dynmics 365 Sales tenant. This seems to be true even after properly registering the Dynamics 365 as an application in the Azure Tenant of the Exchange Online instance and then configuring the profile etc. all correctly. It is mentioned that the incoming-outgoing emails and appt/contact/task sync will all work through server-side synchronization. But when will this be available for Dynamics 365 App for Outlook in cross-tenant scenario for customers ? As most customers prefer to have their exchange on a dedicated usually the corp hq tenant for better management and then all business apps in different separate tenants based on region/department/child companies ? Please also suggest if there are any workarounds. And kindly give me any pointers to other forums that will be more appropriate for this question, just in case…. Many Thanks https://learn.microsoft.com/en-us/power-platform/admin/connect-exchange-online-server-profile-oauthWhich ExchangeServerApp is the right one? How to tell?
From running HCW multiple times w/ various exceptions, we have a number of separate ExchangeServerApp instances in Entra. How can I definitively tell which one (or more) is the correct instance? I can't find any of the UUIDs in the Entra entries anywhere in the Exchange Server configuration. I can't run the ConfigureHybridExchangeApplication script because (from the error it gives) it doesn't handle the multiple app identifiers. I submitted feedback but haven't heard back from the CSS-Exchange people. Any guidance appreciated.Room´s Notifications goes to deleted itens
Good morning I have the following problem when creating meetings via Outlook Rooms. When we create a meeting invite via a Room's calendar, after the other person has accepted/rejected the meeting, the notification goes directly to the deleted items in the Room's mailbox. If I do the same process with my account, the acceptance/rejection notification stays in my inbox. Is this a room-specific setting? Is it possible to change this behavior? Thank youExchange Server 2019 to Subscription Edition (SE) Licensing and Migration Guidance
1. Current Infrastructure Setup Component Detail Notes Product Microsoft Exchange Server 2019 Enterprise Edition Servers 3 Virtual Servers (VMware) Configured in a Database Availability Group (DAG) Version Cumulative Update (CU) 15 Licenses Server License and 1100 CALs (Standard/Enterprise) Purchased in 2019 without Software Assurance (SA). 2. Core Licensing and Compliance Queries We require definitive guidance on the following compliance and purchase requirements: Software Assurance (SA) Requirement: Is Software Assurance mandatory for our existing Exchange Server 2019 setup for ongoing compliance and full support? Please advise on the status of our current setup without SA. Standalone SA Purchase: As our Exchange Server licenses/CALs were purchased in 2019 without SA, is it possible for us to purchase standalone Software Assurance for our existing Exchange Server 2019 licenses now, or must we purchase a completely new license with SA? Client Access License (CAL) Migration: Will our existing Exchange Server 2019 Standard/Enterprise CALs be compatible and automatically migrate to the Subscription Edition (SE) requirement, or must we purchase new CALs specifically for Exchange Server SE? Please clarify if the old CALs will become obsolete. 3. Recommended Migration Path (Budgeting Focus) Based on the licensing realities, we need advice on the most financially responsible path to move to Exchange Server SE. Please guide us on which of the following scenarios is recommended: Option A: Purchase Software Assurance for our existing Exchange Server 2019 infrastructure, and then migrate to SE, utilizing the same 2019 CALs (if permissible). Option B: Forego purchasing SA for the 2019 environment and directly purchase new Exchange Server Subscription Edition (SE) licenses and corresponding new CALs (if necessary). We look forward to your detailed guidance to ensure full compliance and a smooth transition to Exchange Server SE. Thank you, Narayan Das Senior System Administrator
Recent Blogs
- We are announcing the Public Preview of the Exchange Online Admin API.Nov 17, 2025
- We are not releasing any Exchange Server Security Updates for November 2025Nov 11, 2025
