how autodiscover works in exchange hybrid

Welcome to Exchange Auto discover Deep dive session. For this reason, we will choose the Exchange Server tab. As you can see above the outlook application first tried to get to https://mustbegeek.com/autodiscover URL. They also do not blatantly mention certain things you have to read between the lines. Point the autodiscover.domain.com to Exchange 2016 server. In exchange, how does autodiscover work? Thats when you want to null the autodiscover internal URL in the Exchange on-premises server. Did you enjoy this article? September 26, 2016. I've done all the settings / records for DNS (autodiscover). If all mailboxes has been migrated to Exchange online. Figure 1. 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. So in attempt to point my autodiscover records to Office 365 I deleted those 2 static A records from the on-prem DNS server. Thank you for that suggestion but I want to limit the dependency on the on-premise exchange. Type the name, such as mymail, webmail, or anything you prefer. Pointing to both the Exchange Servers EX0-2016 and EX02-2016. Hi Vasil. So how do we delete this SCP for the old Exchange server? Outlook will connect Autodiscover.outlook.com endpoint. On an internal machine, ping to the autodiscover DNS record. Remove the autodiscover DNS entries in the internal DNS. on 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. 1 maybe_1337 2 yr. ago [adrotate banner="50] Domain-joined machines that are on-network will ALWAYS use this first, unless specifically configured not to via registry or Group Policy. 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. If it's the case, then we can go ahead and point the Autodiscover and MX record to Office 365. by Find out more about the Microsoft MVP Award Program. Required fields are marked *. Autodiscover works in Office 365 hybrid mode by scanning for and finding the files of the user's choice. I configure Autodiscover the same way as you recommended. 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. Otherwise, the mailboxes hosted on the on-premises Exchange server will not able to use the Autodiscover services. Verify that the DNS record is published correctly. Exchange PowerShell shows multiple Autodiscover URL - Luckily, Autodiscover defines a limited number of places for you to look. 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. Its Free. When we install Outlook 2016 autodiscover works just fine. Read more: Configure Internal and External URL in Exchange Server . Where do you need to point your autodiscover URL to in an Exchange Hybrid configuration? This is key to how Autodiscover requests are redirected to Office 365 once a mailbox migrates to Exchange Online. How Autodiscover Works in Microsoft 365 (Exchange Online) Hybrid Environment? On the Exchange server tab select the Outlook Autodiscover radio button and click Next. Suppose you use Round-robin DNS. You are helping many admins in other countries -greetings from South Africa. on If all mailboxes are in the cloud, autodiscover can be pointed to Exchange Online. Agree with the reply above, we need point autodiscover record to On-premise Exchange server during hybrid environment. Outlook will connect Autodiscover.outlook.com endpoint. December 06, 2017, by 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. ML, Hi There, In our local DNS, Autodiscover.domain.com is definitely pointing to the new Exchange server 2016. Run Exchange Management Shell. 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. So its good to go through these articles and understand how to set up autodiscover URL in Exchange Server. It makes looking for Autodiscover servers for domain-joined mail clients simple. Use the AutoDiscoverServiceInternalUri parameter to null the autodiscover internal URL. Right-click on the empty area and choose New Host (A or AAAA). Thanks,ML, Hello, Yes remove it set-ClientAccessServer -identity old2010 -AutoDiscoverServiceInternalUri $null You can also diagnose the autodiscovery process with oultookctrl + right clic on outlook button and check the autodiscover way, Hi thanks for that now I can see definitely it is checking: ex2010.domainname.edu/autodiscover/autoxxx.xml and then redirection to user@domainname.mail.onmicrosoft.com so if I delete this entry, would it generate any issues if external DNS autodiscover.domain.external.au is still pointing to the old server? ThanksML, When running: set-ClientAccessServer -identity EX01 -AutoDiscoverServiceInternalUri $null on Exchange 2016 server. We have encountered a problem where we are logging in from the internal network and users are prompted to enter their login credentials (the ADFS login page will appear as we use ADFS). Use the Get-ClientAccessServer cmdlet to check the autodiscover internal URL. LIT-RS Helped with unblocking attachments in outlook emails, Exchange 2010 to Exchange Online public folder migration fails. You could set up the Autodiscover DNS records point to Exchange online instead of to on-premises. Hi, What is the value set on the AutoDiscoverServiceInternalUri for Exchange 2010 and Exchange 2016? so I can delete SCP connector? As of last, remove the internal DNS autodiscover entries. Toggle Comment visibility. If you use an A DNS record, it needs. Please also check the log of test Email AutoConfiguration, you could share the result here, to help determine the steps of autodiscover. In the previous articles, we already did write about the autodiscover URL. August 13, 2020, by 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.SystemConfigurationTasks.SetClientAccessServer PSComputerName : mail01.domainname.edu We are running a hybrid of Exchange 2010 and Exchange 2016. And run the following command to remove the Servcie Connection Point(SCP) values on your Exchange servers. In hybrid environment, on-premise Autodiscover can redirect to Office 365 but Autodiscover pointing to Exchange Online cant redirect to on-premise Exchange Server. Direct connect to Office 365. RCA will now perform an Autodiscover test based on the email address you've used. Did you enjoy this article? Configure the autodiscover CNAME record in Public DNS. However, what exactly is the problem or disadvantage if the Autodiscover record points to EO and I still have a few admin- or service mailboxes OnPrem (all shared- and user mailboxes are in the cloud)? check 174. thumb_up 464. Do you have mailboxes in Exchange on-premises only or both the mailboxes on-premises and in the cloud? Autodiscover will utilize TargetAutodiscoverEpr value (DiscoveryEndpoint address) to lookup using HTTP redirect method (redirectAddr property). *After migrating all the mailboxes to Exchange Online, and everything works as expected, you can point the autodiscover URL to Exchange Online. Join the movement and receive our weekly Tech related newsletter. Configuring on-premises mailboxes in Outlook will not work when you point the autodiscover record to EXO. Click Test button. Assuming that both the Exchange Servers are the Client Access Servers (CAS). November 18, 2020, by I needed some advice please. Autodiscover provides Outlook configuration in format of XML file in order to reduce configuration steps. Machines are alle domain joined. Also, there are lots Mailboxes are migrated from Old Exchange 2010 to Exchange 2016 and to Office 365. In the next part of this series I'll demonstrate how to create the Hybrid configuration. But your articles are spot on. Follow us on social media and keep up with our latest Technology news. Username is recognized and after a couple of seconds everything is setup just fine. Exchange mail client Exchange Online validate the user by an authentication. 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. I think all all DNS entries are pointing back to the new server.. The following URL paths (or /ews/* and /autodiscover/*) must be published without pre-authentication enabled: /autodiscover/autodiscover.svc /autodiscover/autodiscover.svc/wssecurity Click OK. Click Done. But once I powered off Ex2010, Outlook on Client machine will take 2-3 minutes to find profile. August 11, 2020, by I tried the registries: ExcludeExplicitO365Endpoint, DisableAutodiscoverV2Service, but without success. Enter your credentials, check the two check-boxes, enter the verification code and click Next. We have dozens of mailboxes in the Cloud, the rest in On-premise. 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. Pointing to the load balancer. Most of the time, you will not have to edit anything because its already set. Exchange Server 2010 responds with a 302 redirect back to Exchange Server 2013 or Exchange Server 2016", https://docs.microsoft.com/en-us/exchange/decommission-on-premises-exchange, Re: Autodiscover configuration in full hybrid, outlook 2010 and 2013 continually asks for password in hybrid environment, Exchange Hybrid - Outlook 2013 Autodiscover Issue. Cached URL in the Outlook profile. Outlook clients will not be able to connect to o365? It can be an A record or a CNAME record. Configure the autodiscover CNAME record in Public DNS. In our example, there are two Exchange Servers in the organization. Restart the Internet Information Services (IIS). Point the autodiscover record to autodiscover.outlook.com. on Also, autodiscover automatically loads all mailboxes for which the user has full access permissions. September 18, 2019, by For example, teams can access the calendar and free/busy sharing also works. Check the registry for: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\AutoDiscover\ExcludeExplicitO365Endpoint. Press Ctrl+Right-click on outlook application icon in system tray. by Thanks. In this article, we discuss when and how to configure autodiscover in Exchange Hybrid deployment. Verify that the autodiscover internal URL is nulled. LIT-RS on So create a CNAME in my internal DNS zone pointing to autodiscover.outlook.com? However, you would need to keep enough in place to handle the remaining hybrid functions. DNS Autodiscover has been pointing to Exchange 2016 server already. Enter email address, user account and password, enter the verification code and click Perform Test. Outlook will try to get the Autodiscover information for contoso-mail.onmicrosoft.com by dns query to internet. Ali, you are way above all these MVPs. Open the Server Manager and click on Tools > DNS. 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. Everything works except the autodiscover part. Autodiscover.contoso.mail.onmicrosoft.com will have a CNAME record that points to Exchange Online Autodiscover record. Assuming that both the Exchange Servers are the Client Access Servers (CAS). 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. First, point the autodiscover URL to Exchange Online. Thanks, Also, did a bit research, found out these: Get-Mailbox -Arbitration Name Alias ServerName ProhibitSendQuota SystemMailbox{1f05a927 SystemMailbox{1f0 ex01 UnlimitedSystemMailbox{e0dc1c29 SystemMailbox{e0d ex01 UnlimitedFederatedEmail.4c1f4d8 FederatedEmail.4c ex01 1 MB (1,048,576 bytes)SystemMailbox{bb558c35 SystemMailbox{bb5 mail01 UnlimitedMigration.8f3e7716-201 Migration.8f3e771 mail01 300 MB (314,572,800 bytes)SystemMailbox{D0E409A0 SystemMailbox{D0E mail01 UnlimitedSystemMailbox{2CE34405 SystemMailbox{2CE mail01 Unlimited Should I move all Three Arbitration mailboxes from Old exchange database to New Exchange database? If you use the CNAME record, it must refer to the FQDN of an on-premises Exchange server that has the Client Access server role installed. Apr 29th, 2022 at 1:36 PM. My internal domain is mycompany.local and the external domain name is mycompany.co.za. If an Answer is helpful, please click " Accept Answer " and upvote it. Should I run this command on old server itself? If it did not work, I can still add back the old SCP, like: Set-ClientAccessServer -Identity ex2010 -AutodiscoverServiceInternalUri https://autodiscover.domainname.edu/Autodiscover/Autodiscover.xml AM I correct? SRV DNS records check. * Mailbox gets the answer. on Three phases of the Autodiscover process Phase 1: Defining the candidate pool Before you can use Autodiscover, you have to locate the right Autodiscover server for your user. Will take sometimes to clean up. 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. Local Autodiscover.xml file. Pointing to both the Exchange Servers EX01-2016 and EX02-2016. Accessing another Shared Mailbox in different Office 365 tenancy? The following figure shows the three phases of the Autodiscover process. You could set up the Autodiscover DNS records point to Exchange online instead of to on-premises. O365 - Autodiscover Lookup Process on 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. How do I found Load balancer VIP? Any advice on best how I can resolve this? Type your email and password. Do you need to point the autodiscover record to the Exchange on-premises or Exchange Online? For On-premise mailbox, it remain use previous autodiscover lookup behavior to find endpoint and access to Exchange. Root Domain check. Microsoft should create a new award thats called MVP of all MVPs and award it to you. Also, remove the internal DNS entries which point to the autodiscover URL. Support us: https://www.buymeacoffee.com/itproguide Learn Exchange Server / Hybrid / Migration / DAG full course from: Course 1: Exchange Server Train. 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. + 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. 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. Sharing best practices for building any app with .NET. vas_ppabp_90 . pazzoide76 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. In hybrid environments, on-premises autodiscover is typically an SCP record pointing to a local Exchange server. Ross Smith IV and either delete that key or make sure the value is set to 0. In the Hybrid environment, Autodiscover needs to point to your on-premises Exchange server instead of Autodiscover .outlook.com. 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. Once verified, Bob will get Autodiscover configuration in xml format. On an internal machine, ping to the autodiscover DNS record. Frustration about the autodiscover URL when you migrate to Office 365/Microsoft 365. 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?? Make sure that you point the autodiscover URL to the Exchange on-premises server as long as you have mailboxes located on-premises. or recently migrated users to office 365? In the Exchange Hybrid environment, we can point to the type of Autodiscover clients: 1. Current Visibility: Visible to the original poster & Microsoft, Viewable by moderators and the original poster. While in Hybrid, keep the autodiscover record pointing to on-premises. In hybrid the Autodiscover will be pointing to on-premise Exchange Server. If it's not, then we will still need to point the Autodiscover record to the on-premises hybrid server. Thats because it will reach outlook.autodiscover.com. Pointing autodiscover to EX or EXO is essential for an optimal working Exchange environment. If so, please check if the Exchange 2010 IP is still added in the VIP in load balancer. For all users or specific users? You can do the nslookup for autodiscover.domain.com and check the IP retrieved, if it is the Exchange server IP or a different IP. Therefore, if the autodiscover does not point to the right environment, it will not load the assigned mailboxes and show many errors. Outlook Client sends LDAP query to Active Directory to look for SCP . 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. In this article, you learned when and how to set up autodiscover URL in Exchange Hybrid deployment. And of course, Hybrid Wizard was executed and AD connect has the Hybrid Exchange option ticked. 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.. Login credentials Should I run this command on old server itself? The FQDN will automatically update to the name.yourdomain.com. ALI TAJRAN is a passionate IT Architect, IT Consultant, and Microsoft Certified Trainer. I then changed the public facing DNS record for autodiscover and pointed it to Office 365. Your articles are the best in the world. Thanks Brian. 2. , Your email address will not be published. The very first Autodiscover step is to check the registry for some special "boot" information that tells Outlook that you are in the middle of one of these restart scenarios and to read the Autodiscover payload from the special local file. HTTP Redirect. February 04, 2021, by So if I delete this SCP for old Exchange server, try Setting up a new profile on a PC. This is the default autodiscover record for Exchange Online. More on that down below. In our example, we will run the command against both Exchange Servers. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Add two CNAME or A records in the internal DNS server for autodiscover.exoip.com. Exchange Web Services must be published to the Internet, or as a minimum the Office 365 IP address ranges. Autodiscover provides Outlook configuration in format of XML file in order to reduce configuration steps. Let's suppose it is set to autodiscover.domain.com for both Exchange 2010 and 2016, does the DNS record for autodiscover.domain.com is pointing to the Load balancer VIP? In a hybrid scenario, an Autodiscover request made after a mailbox migration is presented to the on-premises Exchange CAS as normal. 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. What settings/tuning do I need to fix on 2016 so we overcome this issue? June 05, 2020. And keep the internal record as well. We have Exchange Hybrid set up. niazstinu In above illustration, organization usercontoso.comas their SMTP address space and for the mailboxes in Office 365, On-Premise will have a remote mailbox account with the target address as contoso-mail.onmicrosoft.com as the target address. When outlook client opens, it will send LDAP request to the Active Directory. The term "Autodiscover client", describe the element that needs to retrieve the Autodiscover information from the Autodiscover Endpoint (Exchange server). Point the autodiscover record to mail.exoip.com. You may also like Find IP addresses using Exchange SMTP relay. If you use a Load Balancer, create a VIP on the load balancer. In Exchange IIS, you can see Autodiscover Virtual Directory which is available for the Autodiscover Settings. 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. 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. on Autodiscover DNS check. Thanks for answer, give me sometimes to find out. 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.

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