Use the AutoDiscoverServiceInternalUri parameter to null the autodiscover internal URL. Therefore, if the autodiscover does not point to the right environment, it will not load the assigned mailboxes and show many errors. by I got this error (mail01 is Exchange 2016): You can't make this change because 'CN=EX01,CN=Servers,CN=Exchange Administrative Group(FYDIBOHF23SPDLT),CN=Administrative Groupsxxxxx =au' is read-only to the current version ofExchange. He started Information Technology at a very young age, and his goal is to teach and inspire others. pazzoide76 Click Service, and then type _autodiscover Click Protocol, and then type _tcp Click Port Number, and then type 443 Click Host offering this service, and then type the Autodiscover.incapital.com. If you use an A DNS record, it needs. During the installation process, Exchange 2019 establishes an Autodiscover virtual directory in IIS on the server. I've done all the settings / records for DNS (autodiscover). Run Exchange Management Shell. The Autodiscover flow should start by addressing the Exchange on-Premises serve and based on the "redirection message" that will be provided to the Autodiscover client, continue the Autodiscover flow by addressing the Exchange Online infrastructure. Cached URL in the Outlook profile. In this tutorial I demonstrated how to prepare for a Hybrid Exchange deployment with Office 365 by adding domain names to the Office 365 tenant, and by installing and configuring AAD Connect to provide directory synchronization. More on that down below. Autodiscover lookup process varies based on your client location (internal/external for on-prem users) and using your SMTP domain, DNS entries for external and O365 users. You need either to have a cname for AutoDiscover inside that DNS zone or do as @vasil says and point AutoDiscover at your onprem Exchange management server. ALI TAJRAN is a passionate IT Architect, IT Consultant, and Microsoft Certified Trainer. Autodiscover.contoso.mail.onmicrosoft.com will have a CNAME record that points to Exchange Online Autodiscover record. 2. Local Autodiscover.xml file. The_Exchange_Team Autodiscover URL in Exchange Hybrid deployment, Point autodiscover URL to Exchange on-premises, Point autodiscover URL to Exchange Online, Find autodiscover URL in Exchange with PowerShell, Configure autodiscover URL in Exchange with PowerShell, Configure Internal and External URL in Exchange Server , Find IP addresses using Exchange SMTP relay, Create Office 365 resource mailbox in Exchange Hybrid, Bulk create Office 365 mailboxes in Exchange Hybrid, Mailbox type difference in Exchange Hybrid, Restart Exchange Servers IIS with PowerShell, Protect Exchange Server OWA/ECP from brute force attacks, Prevent Exchange mailbox user login after account changes, Enable Azure MFA geographic location for extra security. In Exchange PowerShell, execute the following command. If all mailboxes are in the cloud, autodiscover can be pointed to Exchange Online. Recreate audit log mailbox in Exchange Server, Change Users UPN automatically with scheduled task, Azure AD Connect sync export error dn-attributes-failure. Machines are alle domain joined. In the Hybrid environment, Autodiscover needs to point to your on-premises Exchange server instead of Autodiscover .outlook.com. ThanksML. Toggle Comment visibility. Should I run this command on old server itself? Sharing best practices for building any app with .NET. Add a CNAME or A record in the internal DNS server for autodiscover.exoip.com. Once verified, Bob will get Autodiscover configuration in xml format. on If an Answer is helpful, please click " Accept Answer " and upvote it. Pointing autodiscover to EX or EXO is essential for an optimal working Exchange environment. On the on-premise DNS servers I noticed we had static A records configured namely: autodiscover.mycompany.local and autodiscover.mycompany.co.za both of which resolved to the internal IP of the exchange server. I don't have any mailboxes on premises.The on premise server has a connector that allows the relay of the email in an unauthenticated way because an old application must send email to the internet. Frustration about the autodiscover URL when you migrate to Office 365/Microsoft 365. Enter your credentials, check the two check-boxes, enter the verification code and click Next. So its good to go through these articles and understand how to set up autodiscover URL in Exchange Server. Now if I turned off Exchange 2010 server, seems AutoDiscovery is very slow, took about 2 minutes to find the user profile when setting up Outlook. Most of the time, you will not have to edit anything because its already set. In this article, we discuss when and how to configure autodiscover in Exchange Hybrid deployment. Configuring on-premises mailboxes in Outlook will not work when you point the autodiscover record to EXO. Join the movement and receive our weekly Tech related newsletter. Current Visibility: Visible to the original poster & Microsoft, Viewable by moderators and the original poster. on A CNAME for AutoDiscover pointing to the name - yes. The public DNS A record for autodiscover.mycompany.co.za pointed to my TMG. Where do you need to point your autodiscover URL to in an Exchange Hybrid configuration? They also do not blatantly mention certain things you have to read between the lines. Make sure that you point the autodiscover URL to the Exchange on-premises server as long as you have mailboxes located on-premises. Attachments: Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total. So in attempt to point my autodiscover records to Office 365 I deleted those 2 static A records from the on-prem DNS server. In hybrid environments, on-premises autodiscover is typically an SCP record pointing to a local Exchange server. Step 1: Configure DNS. Basically This is what happen case: Audiscover set to Onpremises * Outlook client ask for autodiscover * Autodiscover gets the answer from Onpremises * if the mailbox is onpremises get the answers immediately, if the mailbox is on cloud the request is passed via HTTPS to O365. The_Exchange_Team Autodiscover will utilize TargetAutodiscoverEpr value (DiscoveryEndpoint address) to lookup using HTTP redirect method (redirectAddr property). Luckily, Autodiscover defines a limited number of places for you to look. How Autodiscover Works in Microsoft 365 (Exchange Online) Hybrid Environment? + CategoryInfo : InvalidOperation: (:) [Set-ClientAccessServer], CannotModifyCrossVersionObjectException + FullyQualifiedErrorId : [Server=MAIL01,RequestId=09188cba-c798-42ed-8d28-a89f27ec9438,TimeStamp=7/10/2020 11:38: 08 PM] [FailureCategory=Cmdlet-CannotModifyCrossVersionObjectException] C84E4D3D,Microsoft.Exchange.Management.Sys temConfigurationTasks.SetClientAccessServer + PSComputerName : mail01.domainname.edu We are running a hybrid of Exchange 2010 and Exchange 2016. Add two CNAME or A records in the internal DNS server for autodiscover.exoip.com. You can also add host file entry on the client machine for autodiscover.domain.com to point to Exchange 2016 to make sure if the delay is actually on the Exchange server or reaching the server. After that, null the internal autodiscover URL on the Exchange on-premises server. So create a CNAME in my internal DNS zone pointing to autodiscover.outlook.com? The term "Autodiscover client", describe the element that needs to retrieve the Autodiscover information from the Autodiscover Endpoint (Exchange server). We have a hybrid Exchange setup with Office 365. I have read many articles and most of them they say that "After the mailbox move is complete, Exchange Server 2013 or Exchange Server 2016 continues to proxy the EWS request to Exchange Server 2010. Ensure you get a reply from the load balancer or Exchange Server. Support us: https://www.buymeacoffee.com/itproguide Learn Exchange Server / Hybrid / Migration / DAG full course from: Course 1: Exchange Server Train. Welcome to Exchange Auto discover Deep dive session. So how do we delete this SCP for the old Exchange server? on you can point your autodiscover to O365 then, Autodiscover configuration in full hybrid, After the mailbox move is complete, Exchange Server 2013 or Exchange Server 2016 continues to proxy the EWS request to Exchange Server 2010. Assuming that both the Exchange Servers are the Client Access Servers (CAS). Direct connect to Office 365. Point the autodiscover record to mail.exoip.com. September 26, 2016. I meant can I add it back by the command: Set-ClientAccessServer -Identity ex2010 -AutodiscoverServiceInternalUri https://autodiscover.domainname.edu/Autodiscover/Autodiscover.xml Can you clarify this is right command to add the AutoDiscover back please? The following figure shows the three phases of the Autodiscover process. So if I delete this SCP for old Exchange server, try Setting up a new profile on a PC. I configure Autodiscover the same way as you recommended. Read more , It's good to through the Exchange Hybrid test plan checklist before you start to migrate, How to bulk create Office 365 mailboxes for existing AD users in Exchange Hybrid configuration?, We see a mailbox with a different mailbox type in Exchange on-premises and Exchange Online.. You could change the MX record to point to Exchange Online Protection if it is not already, you could even remove some of the on-premises Exchange servers. on In the Exchange Hybrid environment, we can point to the type of Autodiscover clients: 1. Do you have all the mailboxes moved to the cloud? In the table below, you can see where to point your autodiscover URL to in an Exchange Hybrid deployment. The public DNS A record for autodiscover.mycompany.co.za pointed to my TMG. niazstinu Thats when you want to null the autodiscover internal URL in the Exchange on-premises server. If all mailboxes are in the cloud, autodiscover can be pointed to Exchange Online. Autodiscover constructs addresses in the format shown below, hoping to find the Autodiscover.xml file containing settings necessary to connect the email client to the user's Exchange Server.. Exchange Web Services must be published to the Internet, or as a minimum the Office 365 IP address ranges. Do you have mailboxes in Exchange on-premises only or both the mailboxes on-premises and in the cloud? However, if its not set up correctly, configure the autodiscover internal URL, public DNS autodiscover, and the internal DNS autodiscover entries. Required fields are marked *. Use the Get-ClientAccessServer cmdlet to check the autodiscover internal URL. Point the autodiscover record to autodiscover.outlook.com. Try removing it if its added. And keep the internal record as well. When we install Outlook 2016 autodiscover works just fine. It depends on the current scenario that if all users are migrated to Exchange Online and no one left behind or some mailboxes exist on Exchange On-premise and others on Exchange Online. vas_ppabp_90 Configure the autodiscover CNAME record in Public DNS. Autodiscover provides Outlook configuration in format of XML file in order to reduce configuration steps. In hybrid environment, on-premise Autodiscover can redirect to Office 365 but Autodiscover pointing to Exchange Online cant redirect to on-premise Exchange Server. Autodiscover provides Outlook configuration in format of XML file in order to reduce configuration steps. Helped with unblocking attachments in outlook emails, Exchange 2010 to Exchange Online public folder migration fails. It seems to be an issue on the side of Exchange but I'm not able to dig much out of it. You may also like Find IP addresses using Exchange SMTP relay. We have dozens of mailboxes in the Cloud, the rest in On-premise. Once verified, Bob will get Autodiscover configuration in xml format. Best practices and the latest news on Microsoft FastTrack, The employee experience platform to help people thrive at work, Expand your Azure partner-to-partner network, Bringing IT Pros together through In-Person & Virtual events. My internal domain is mycompany.local and the external domain name is mycompany.co.za. Your email address will not be published. Any advice on best how I can resolve this? so I can delete SCP connector? Autodiscover information from an external point of view. LIT-RS Outlook clients will not be able to connect to o365? Right-click on the empty area and choose New Host (A or AAAA). Exchange Online validate the user by an authentication. In exchange, how does autodiscover work? Pointing to both the Exchange Servers EX01-2016 and EX02-2016. Exchange mail client I tried the registries: ExcludeExplicitO365Endpoint, DisableAutodiscoverV2Service, but without success. But your articles are spot on. or recently migrated users to office 365? Hello,I have a question regarding the configuration of the autodiscover service.My infrastructure is full hybrid with a 2016 exchange server on premise.I have already moved the mail flow to o365 by changing the mx record and moving all the mailboxesThe on premise server is used as an smtp relay for internal and external emails.Currently my dns record, both on public and private dns, for autodiscovery points to the exchange on premise server.Reading the microsoft article https://docs.microsoft.com/en-us/exchange/decommission-on-premises-exchange I am in scenario 3.The article says If you were to even start the process by pointing the Autodiscover Records to Exchange Online, you would immediately break some features like hybrid public folder access.I don't use public folder but I only use the on premise server as smtp relay.So I can't point the autodiscover to the microsoft records autodiscover.outlook.com?If I don't move my autodiscover record to autodiscover.outlook.com the exchange server on premise should be unavailable what happens? Sharing best practices for building any app with .NET. ThanksML, Hi Mate, Thanks for that, which command should I use: Get-ClientAccessServer | Set-ClientAccessServer -AutoDiscoverServiceInternalUri $Null or Get-ClientAccessService | Set-ClientAccessService -AutoDiscoverServiceInternalUri $Null, Hi Thanks Our Firewall system is pretty messy at the moment, there are lots legacy staff. As of last, remove the internal DNS autodiscover entries. And run the following command to remove the Servcie Connection Point(SCP) values on your Exchange servers. Will take sometimes to clean up. You could change the MX record to point to Exchange Online Protection if it is not already, you could even remove some of the on-premises Exchange servers. , Your email address will not be published. The following URL paths (or /ews/* and /autodiscover/*) must be published without pre-authentication enabled: /autodiscover/autodiscover.svc /autodiscover/autodiscover.svc/wssecurity In a hybrid scenario, an Autodiscover request made after a mailbox migration is presented to the on-premises Exchange CAS as normal. Click Test button. Press Ctrl+Right-click on outlook application icon in system tray. In the next part of this series I'll demonstrate how to create the Hybrid configuration. on This is the default autodiscover record for Exchange Online. Just a CNAME, no that would not be correct, Hybrid Exchange - Autodiscover records for on-premise, Re: Hybrid Exchange - Autodiscover records for on-premise, AADconnect with Exchange server but without Hybrid Config - Managing users, Scenario: New AADconnect server in new Forest - All mailboxes in EXO O365, Using EOL protection but keep autodiscover using on-premise, Exchange On-Premises Best Practices for Migrations from 2010 to 2016, Announcing Hybrid Modern Authentication for Exchange On-Premises, On-Premises Architectural Requirements for the REST API. You can also view logs of autodiscover from Outlook application. Thank you for that suggestion but I want to limit the dependency on the on-premise exchange. What settings/tuning do I need to fix on 2016 so we overcome this issue? Find out more about the Microsoft MVP Award Program. if you still have mailboxes on-prem then keep it pointing to on-prem else you can point it to O365. Also, I did Get-ClientAccessServer | fl AutoDiscoverServiceInternalUri AutoDiscoverServiceInternalUri : https://ex2010.mydomainname.edu/Autodiscover/Autodiscover.xml AutoDiscoverServiceInternalUri : https://ex2016.mydomainname.edu/Autodiscover/Autodiscover.xml There are two autodiscoverInternaluriShould I remove the old Exchange 2010 AutoDiscoverServiceInternalUri?? For migrated mailbox, autodiscover service will redirect On-premise autodiscover record to Office 365 (autodiscover-s.outlook.com), and access to Office 365. February 04, 2021, by Should I run this command on old server itself? Suppose you use Round-robin DNS. Pointing to the load balancer. If the user has not set up a personal office account, then Office 365 will automatically discover all the user's files, including the files of organizations that the user is associated with. Thats because it will reach outlook.autodiscover.com. Follow us on social media and keep up with our latest Technology news. Inside the organization where clients are domain joined they find Autodiscover using SCP (Service Connection Point) which is created in Active Directory when deploying Exchange Server in the organization. For all users or specific users? If it's the case, then we can go ahead and point the Autodiscover and MX record to Office 365. Username is recognized and after a couple of seconds everything is setup just fine. If you were to even start the process by pointing the Autodiscover Records to Exchange Online, you would immediately break some features like hybrid public folder access. Exchange PowerShell shows multiple Autodiscover URL - Thanks for the reply.Since the article https://docs.microsoft.com/en-us/exchange/decommission-on-premises-exchange scenario 3 says:We recommend against removing Exchange and the hybrid configuration at this point.