For example, the results should show the path as follows: To use the Exchange 2010 Public Folder Management Console to change the client permissions for the External (FYDIBOHF25SPDLT) free/busy replica, follow these steps: Start the Exchange 2010 Exchange Management Console. Internal and External DNS setting look correct, I think the problem is with IIS. We'll begin by asking you the issue you are facing. On IIS section, open Handler Mappings. So in all cases I have setup an additional Exchange server for the hybrid because it is more clean afterwards. My issue is that autodiscover is not working. The federated.email account should be located in the default users container of Active Directory for the Exchange 2010 domain. If nothing breaks then I guess it will not be needed and would be better to not be accessible remotely.If anyone has any input on this, especially how to get the /rpc/ directory to work with app proxy, I would welcome the feedback.Thanks! Tenant administrators. Open the W3SVC1 folder, then open the most recent IIS log file. For more information about syntax and options, see Set-OrganizationRelationship. Bryce (IBM) about building a "Giant Brain," which they eventually did (Read more HERE.) For more help to resolve this issue, go to Microsoft Support. Then Exchange on-premises will help you redirect request to Exchange online to find the correct mailbox. We strongly recommend that you set up Exchange Autodiscover when you are using Outlook to connect to Exchange Online mailboxes. However, we can help you complete other tasks, such as setting up DNS and Autodiscover records (as discussed in Method 2). (testconnectivity analyzer gave me the same errors). Or is this a wrong assumption? About the teams issue, I would suggest you confirm with the Teams side. This might be a misconfiguration of the AvailabilityAddressSpace. About the certificate, if there exist mailbox on Exchange on-premises, you will need to contains that domain name in your certificate. To use the Domain Troubleshooting Wizard in Microsoft 365, follow these steps. Use the I need help setting up my Microsoft 365 email in Outlook diagnostic in the Support and Recovery Assistant (SaRA). I can't manage a mail-enabled SG through EAC, Certificate based authentication for Exchange ActiveSync on-prem through Azure, Can i create a alias in internal AD to point to office 365 SMTP address to relay emails from internal application. First open the Outlook Web Apps with the respective URL and then collect the Autodiscover URL with domain name. Point it at 365. Use CNAME internally autodiscover -> autodiscover.outlook.com If you test autodiscover connectivity with Outlook client (Test E-mail AutoConfiguration), does ist shows correct url. The following screenshot shows an example of the request in the IIS log: If you do not see any entry for exchange.asmx/wssecurity in your on-premises Exchange 2010/2013 hybrid deployment server, the firewall may be pointing to a wrong CAS server, or you may have pre-authentication configured on the firewall. -Microsoft Remote Connectivity Analyzer comes back with "The Microsoft Connectivity Analyzer is attempting to retrieve an XML Autodiscover response from URL https://autodiscover-s.outlook.com/Autodiscover/Autodiscover.xml for user XXXX The Microsoft Connectivity Analyzer failed to obtain an Autodiscover XML response. AD accounts are hosted on local AD.The accepted domains are already configured on the onprem exchange. The following screenshot shows an example of the Autodiscover POST request on IIS log: If you do not see any entry for Autodiscover in your on-premises Exchange hybrid deployment server, the firewall may be pointing to a wrong CAS server. For more information, see the following resources: If all mailboxes in your organization are in Exchange Online, add an Autodiscover CNAME record that points to "autodiscover.outlook.com". Autodiscover in Hybrid Environment 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. In the Result pane, right-click EX:/O=FIRST ORGANIZATION/OU=EXTERNAL (FYDIBOHF25SPDLT), and then select Properties. For example: Name: autodiscover.contoso.com Address: 38.96.29.10. In the RCA select the Office 365 tab and check Outlook Autodiscover in the Microsoft Office Outlook Connectivity Tests section. //Hybrid Modern Auth (non-app proxy) domains: I think the CNAME might be what's throwing you off. Where should Autodiscover point to - our internal server (does currently) or to So what about the scenario where some mailboxes are left on-prem? 1. Now select Manage > Add Roles and Features. After the on-premises free/busy issues are addressed, restart this troubleshooter. Authenticate with the Exchange 2007 source mailbox credential. If your mailbox server location changes, Outlook is updated accordingly by using the new location of your mailbox server. So I suppose the problem isn't DNS related anymore but something else Because hybrid deployments don't support SRV, we removed the SRV records for these accepted domains. On the on-premises Exchange hybrid deployment server, open Internet Information Services (IIS) Manager. Is autodiscover in this scenario (user1@samedomain.com hosted on EXO, user2@samedomain.com hosted ONPREM) supported?Or is the only way to achieve this, to create a certificate that contains all the domain names? I'm not sure if any other issues will be encountered because of the /rpc directory.I have also setup app proxy with the following directories/oab/ -- Offline Address Book (I assume)/powershell/ -- Not sure what functionality is provided there for remote clients and I may disable this/ews/ -- Again, not sure what this helps with regards to remote clients.I will most likely start locking this down harder by removing some of the directories I've setup with app proxy and see what it breaks. This update includes the Single On-Premises Multi-Tenant feature and other fixes in Exchange Hybrid. If the DomainName value is missing your vanity domain, run the following command: Determine whether Internet Information Services (IIS) configuration is missing the svc-Integrated handler mapping for the Autodiscover endpoint. This object must have the correct remote routing address (also known as the target address) specified. Verify that the ms-Exch-Folder-Affinity-List attribute on the Exchange Server 2003 properties has Exchange 2010 ObjectGUID with the lowest cost (The format of this property is as follows: {guid of server},cost). Start IIS Manager, and then connect to the server that is reporting the issue.Verify that the MSExchangeAutodiscoverAppPool application pool is running on the CA and Mailbox servers.In IIS Manager, click Application Pools, and then recycle the MSExchangeAutodiscoverAppPool application pool by running the . If the response is helpful, please click "Accept Answer" and upvote it.Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread. For more information about how to do this, see Connect to Exchange Online using remote PowerShell. 2: create mailbox in Exchange server which generates an mail user in Office 365. On-premise Outlook clients are still working, but when I try to setup anything that is remote, it does not find the auto configuration information ever since I did the app proxy and closed the firewall port. In Select Public Folder Servers, select the Exchange 2010 server. The other day i decided to change the mx to route all the mails mainly through 365, instantly autodiscover started to fail. To do this, follow these steps: On the Exchange 2010/2013 CAS server, select Start > Run, type %SystemDrive%\inetpub\logs\LogFiles, and then press ENTER. Select OK, and then select OK. This causes free/busy to fail. My question is, what do I need to do now to get autodiscover configuration to work so that I can setup mobile clients? For more information, see the following Microsoft Knowledge Base articles: Still need help? Search for Autodiscover. Usually the Autodiscover related DNS entries point to your Exchange on-premises infrastructure and will be pointed AFTER migration is completed. The Public Folder Management Console appears. Where should Autodiscover point to - our internal server (does currently) or to Outlook users internal use SCP point first then auto discover url. WarKraft They had just purchased Exhange 2016 in December of 2020 and we just finished the migration in February. To do this, move to ProxyURL of the AvailabilityAddressSpace from CAS 2007. When I did "Get-FederatedOrganizationIdentifier | fl" on my on-prem server it was disabled ("enabled" was set to False).Also the account namespace was blank and the value for domains was blank. I finally might have the budget for next year to refresh my servers.I'm undecided if I should stick with the traditional HPE 2062 MSA array (Dual Controller) with 15k SAS drives or move to a Nimble HF appliance. Setting up as IMAP does work, but requires manual setup whenever they log into a new machine. My gut feeling is that I'm going to have to change my internal and external URI for the Excahnge 2016 on-premise server so that autodiscover can point to office 365 instead. From what I'm gathering (correct me if I'm wrong), you just rerun the hybrid wizard and when you get to the autodiscover step, you just tick off the accepted domains to enable autodiscover for these additional domains.This will also setup the necessary OAuth configuration for the Teams calendar button to show up properly. For example, cname .otherdomain.com. When you test by using the Microsoft Remote Connectivity Analyzer, the following error message may be returned: Autodiscover cannot process the given e-mail address. Welcome to the Snap! Select the option that best describes the issue that you are facing: If you want to review how free/busy works in a hybrid deployment, select the I want to better understand how Hybrid Free/Busy is supposed to work option. I am curious why have a hybrid system just go full O365? The expected result is as follows: The InternalURL of the Exchange 2010/2013 CAS Web Service virtual directory should differ from Exchange 2007 CAS Web Service virtual directory. To make sure that this value is accurate, follow these steps: On the Exchange 2010 server, run the following command in the Exchange Management Shell: where username is the name of the cloud user that you are trying to see free/busy information for. or check out the Microsoft Exchange forum. The onprem Exchange server is only being used for management, SMTP Relay and sending emails via the Pickup folder. Your daily dose of tech news, in brief. In addition, based on your description, this issue may be related with proxy application, you could close this app and point autodiscover to office 365 and check if this issue continues. Like mentioned before, this microsoft article states SRV is not supported in a Hybrid setup: https://docs.microsoft.com/en-us/previous-versions/technet-magazine/dn249970(v=msdn.10)?redirectedfrom=MSDN. My problem is that my OWA and ECP virtual directory is https://autodiscover.domain.comand that is currently how my application proxy is setup. We have an Exchange hybrid environment with all our mailboxes residing on Exchange Online. For information about how to fix server time issues, see How to configure an authoritative time server in Windows Server. Try to connect to that urel with effected user. This is why I was trying to get anyone else that may have run into this to offer any advice. autodiscover.outlook.com? https://<enter domain name>/autodiscover/autodiscover.xml Open this URL on the domain web server and check if the error 600 pops up. Searching the web I don't find a definitive answer for this(source: https://community.spiceworks.com/topic/1990666-autodiscover-cname-hybrid-exchange)Can someone clarify on this? I'm not sure but I assume it's a federation trust issue. For information about how to bypass firewall pre-authentication, see Configure Forefront TMG for a hybrid environment. (Or alternatively you can add the accepted domains through EMS with the following command: Set-HybridConfiguration -Domains secondarydomain1.com, secondarydomain2.com, autod:primarydomain.com)I checked with "Get-HybridConfiguration" and the accepted domains do show up there. Change the proxyaddress attributes of the account to either have ONE of the SMTP addresses already federated, or add the already existing proxy address namespace present into the federation trust. Use the following methods to verify that Autodiscover can be resolved from an external source and that the Firewall is open. If you are not using any mailbox on-premise and you do not need any on-premise autodiscover feature using your on-premise autodiscover, you can point it to Office 365. Does anyone know if there are any free training anywhere ? To use Remote Connectivity Analyzer to test whether Exchange Autodiscover is working correctly, follow these steps: In a web browser, browse to the Microsoft Remote Connectivity Analyzer tool at the following website: Remote Connectivity Analyzer Outlook Autodiscover test. OutlookAnywhere and Split-DNS are vital for future-proofing your Exchange configuration and making it work properly now, regardless if you use Exchange 2007, 2010, 2013, or 2016. This problem occurs for one of the following reasons: This article discusses Outlook 2016, Outlook 2013, and Exchange Online. Probably has something to do with Internal and External Urls too. (as well as on the exchange online). Replied on December 18, 2015. Bryce (IBM) about building a "Giant Brain," which they eventually did (Read more HERE.) If no, sorry, we cannot resolve this issue by using this guide. If the Exchange connectivity tests fail for autodiscover, check the on-premises Autodiscover Internet Access configuration. Flashback: Back on November 3, 1937, Howard Aiken writes to J.W. And I don't think autodiscover or EAS can make it through, since HMA incorporates its own customized app proxy elements into the request. This diagnostic does automated checks and returns possible solutions for you to use to try to fix any detected issues. Administrators can use the Domain Troubleshooting Wizard in Microsoft 365 or Microsoft Remote Connectivity Analyzer to confirm that the records are set up correctly. So my assumption is that because I'm using Azure App Proxy to access the /rpc directory which is another proxy, something breaks down, because my exchange connecticity analyzer tests seem to fail on that step.Here's the error I get for thatTesting HTTP Authentication Methods for URL https://external-exchange-url.com/rpc/rpcproxy.dll?514b1a9e-61c0-44cc-bd89-b969c302004c@domain.com:6.The HTTP authentication test failed.---Additional Details---A Web exception occurred because an HTTP 503 - 503 response was received from Unknown.What this means is that my mobile clients will not ask me to sign in via Office 365 Hybrid Modern Authentication and instead asks me for a password in the app. Pointing Autodiscover at office365 in a Hybrid enviroment? Follow these steps to verify if EWS has External URL set: On the on-premises Exchange hybrid deployment server, open Exchange Management Shell, and then run the following cmdlet: If the ExternalURL is missing on the Exchange hybrid deployment server, run the following cmdlet: Verify that the Microsoft Exchange Web Services (EWS) is resolvable and there are no firewall issues. Answers. I have successfully setup Hybrid Modern Authentication with my Exchange 2016 on premises and Office 365. If you have an Exchange hybrid deployment, you can use the Get-RemoteMailbox cmdlet to determine whether the following attributes are set correctly for the user. If the test fails, verify that the Autodiscover service is set up correctly. I just did after your suggestion. In this way, you will don't need to use certificate for those domains. For this kind of Free/busy query, we use the LegacyExchangeDN to route our request to the Proper Public folder server. [1]: /answers/storage/attachments/86876-federation-trust-onprem-before.png, [2]: /answers/storage/attachments/86906-autodiscover-fail.png, [3]: /answers/storage/attachments/86907-federation-trust-exo.png, [4]: /answers/storage/attachments/86949-federation-trust-onprem-after.jpg. Hybriddeployments are also much easier using on premise and Exchange Online or Office 365, which can further reduce the required on premise infrastructure. Apr 29th, 2022 at 1:36 PM. For more information, please contact your helpdesk. All have been a bit different and sometimes I#m still struggling. The vanity domain (yourdomain.com) should be present. This topic has been locked by an administrator and is no longer open for commenting. Follow the below procedure - In the Exchange Server 2016, open the Server Manager and then select Local Server. Because adding or removing the CNAME and SRV records didn't make any difference anyway. Log on to Outlook or an OWA client as a user who has an Exchange 2010 on-premises mailbox. (Error Code: 5039), The attendee's server couldn't be contacted. CNAME : Enter the CNAME record you want to point to. and either delete that key or make sure the value is set to 0. If you're using Outlook 2010 or an earlier version, upgrade to the latest version of Outlook. You can also use SRV record to replace Autodiscover lookup. check 174. thumb_up 464. On Microsoft Office Outlook Connectivity Tests select Outlook Autodiscover, and then select, Complete the Outlook Autodiscover form (Email address, User Name and password), then select. Then, you will need to create Autodiscover record on public DNS provider for those domains, then point those DNS record to Exchange on-premises. As part of Hybrid config, Exchange knows how to redirect to Office365, if autodiscover points to on-prem. 4. This guide is used to troubleshoot Hybrid free/busy issues. Determine what error message you are receiving from OWA. Note the error code number in the error message. But externally autodiscover only works for our primary domain (we use a wildcard certificate for our on-prem exchange). My problem is that my OWA and ECP virtual directory is https://autodiscover.domain.com and that is currently how my application proxy is setup. Waited two days and again nothing. Copy the objectGUID value and then paste it in a notepad text file. Verify that there is no hard-coded Public folder routing that would prevent the legacy Free/busy request from succeeding. Urls too internal URL a notepad text file if no, sorry, will Instantly autodiscover started to fail hybrid config, Exchange knows how to do this, it asks me manually Reasons: this article discusses Outlook 2016, open Internet information Services ( IIS ) Manager: to. 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