The resolution requires you to modify the registry. On the File tab in Outlook, click Office Account or Account. Figure 1. If this step does not retrieve a payload, Outlook moves to step 4. Start Registry Editor. Can you enable logging in Outlook and post the OLKDISC.log here. For more information about SCP, see the following MSDN article:Publishing with Service Connection Points. The solution for this is to use the registry to control Outlook's behavior, and the method I have used is to set the PreferLocalXML DWORD entry. In Outlook 2016 with Exchange servers, Autodiscover is considered the single point of truth for configuration information and must be configured and working correctly for Outlook to be fully functional. Furthermore, you can find the "Troubleshooting Login Issues" section which can answer your unresolved problems and equip you with a lot of relevant information. I also acknowledge that I am responsible for the management and security of this account checkbox. Furthermore, you can find the "Troubleshooting Login Issues" section which can answer your . Open regedit: to do so, click the Start button and then in the Start Menu, either in the Run box or in the Search box, type regedit and press Enter. The path of the last known good XML file comes from the Outlook profile. Figure 3. Because many root domains aren't configured for Autodiscover, Outlook purposefully silences any certificate errors that occur during the attempted retrieval. Enter your password if you are not logged into a domain or if you are accessing a mailbox that is different from your mailbox. Navigate to HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\AutoDiscover Note: if the Autodiscover key is missing, you can create it by making a right-click on Outlook key, select New, then select Key, and name it as AutoDiscover. Autodiscover defines two standard endpoint URL forms that are derived from the domain portion of the user's email address: Implements the Autodiscover process for you. If Outlook determines confidently that you are an O365 user, an attemptis made to retrieve the Autodiscover payload from the known O365 endpoints (typically https://autodiscover-s.outlook.com/autodiscover/autodiscover.xml or https://autodiscover-s.partner.outlook.cn/autodiscover/autodiscover.xml). . Before you can use Autodiscover, you have to locate the right Autodiscover server for your user. The results of an. Outlook uses a set of heuristics to determine whether the provided user account comes from Office 365. Learn about the Autodiscover service in Exchange. In response to certain connectivity failures. The type of request you send depends on how you are accessing the Autodiscover service. -The certificate will not have any of my autodiscover names included. For example, setting the value ExcludeHttpsRootDomain to 1sets Outlook not to perform step 6 in the process. This is a general setting that controls whether Outlook can try to connect to Exchange by using the Mapi/Http protocol stack. LoginAsk is here to help you access Outlook Autodiscover Registry Keys quickly and handle each specific case you encounter. Note: you can skip this step, however, we highly recommend to back up the registry before you proceed to modify its entries. The format of that endpoint is "http://autodiscover." This log file also includes any registry settings you have configured to exclude any of the Autodiscover lookup methods. The ExchangeService.AutodiscoverUrl method in the EWS Managed API implements all three phases of this process for you, so if you are using the EWS Managed API, you don't need to worry about implementing Autodiscover yourself. Autodiscover process Every time that Outlook needs Autodiscover information, it uses a set of ordered steps to try to retrieve an XML payload that contains configuration settings. Limited to the user settings that are available in the. If this process is successful, another try is made one hour later. For more information about the client-side management and administration of Autodiscover, go to the following Knowledge Base article: 2612922 How to control Outlook AutoDiscover by using Group Policy, More info about Internet Explorer and Microsoft Edge, White Paper: Understanding the Exchange 2010 Autodiscover Service, White Paper: Exchange 2007 Autodiscover Service, 322756 How to back up and restore the registry in Windows, November 5, 2019, update for Outlook 2016 (KB4484139), Cached URL in the Outlook profile (new for Outlook 2010 version 14.0.7140.5001 and later versions), Direct Connect to Microsoft 365 (new for Outlook 2016 version 16.0.6741.2017 and later versions). If the administrator has deployed this registry value and seeded an autodiscover.xml file, Outlook reads the Autodiscover payload from this file. Long story short our autodiscover isn't setup correctly for how SFB looks for it, meaning it is not setup for our primary smtp, external.com, but our internal smtp, internal.lan. This registry value and the header that it adds are rarely used in any modern authentication stack and very unlikely to affect the tAodiscover process in either a negative or positive way.Certificate Error Handling, Key: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\AutoDiscover Create the registry backup. This lets the Autodiscover process add a special header (X-MapiHttpCapability:1) to the discovery process so that the Mapi/Http protocol settings can be evaluated and processed.Legacy Authentication Negotiation Control, Key: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\RPC Moral of the story, Office 365 is a great product and goes a long way to help non-IT to self . If Outlook gets to this step and hasn't successfully retrieved an Autodiscover payload, two tests are performed to see whether the well-known Office 365 endpoints should be attempted. Create an Outlook registry key to exclude the HTTPS root domain. Anyway I've found a way to work around this by temporarily changing the primary SMTP in Exchange, letting Skype load and it finds Autodiscover and contacts EWS, thus . Most users know their email address and password, and with those two pieces of information, you can retrieve all the other details you need to get up and running. Scroll to the bottom and select the Add button. Microsoft Community website. Set the following values for the Value Names listed below: "ExcludeScpLookup"=dword:1. However, this is expected behavior because not every test that the Remote Connectivity Analyzer performs will succeed. HostAdvice Research: What is Dedicated Hosting and Should You Host Your Blog on a Dedicated Server? <Reporter> The The fix should now be applied, next time you open Outlook it should take this into account and not query Office365 for theautodiscover process, and simply set up the hosted exchange mailbox instead. After Outlook discoversthe UPN for the user, the value is cached in the profile, and the lookup should not happen again for this user. In one situation we reduced the duration of the . + domain + "/autodiscover/autodiscover.xml". Figure 2. There's no policy control for this step. For example if your domain was using Office . Open Outlook and from the Account Settings, launch the New E-mail account setup wizard. If an actual Autodiscover XML payload is returned and not a redirect, Outlook ignores the actual Autodiscover XML response because it was retrieved without security (http). Contact your web service provider or the web hosting provider of your domain website, and make sure that the web server is not responding to Autodiscover requests. To test Autodiscover with the tool, launch the tool and select the Outlook Connectivity test. Microsoft have an article indicating the recreation of this key is . Table 1: Autodiscover endpoint candidate sources. Furthermore, you can find the "Troubleshooting Login Issues" section which can answer your unresolved problems and . Typically, the root domain lookup would fail in this case, and Outlook would perform an Autodiscover lookup against https://AutoDiscover./AutoDiscover/AutoDiscover.xml. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Additionally, near the end of the Remote Connectivity Analyzer test, you'll likely see a reference to Apache, UNIX, or Linux. Most users know their email address and password, and with those two pieces of information, you can retrieve all the other details you need to get up and running. Similarly, if an attempt was triggered because of an error by using the current configuration information, then Outlook purposefully wants to autodiscover again and not use the LKG information because presumably the last known good information resulted in a failure. Enter the user principal name (UPN) that's associated with the email address. 1. The policy control value for this step is as follows: ExcludeHttpsAutoDiscoverDomain. Step 3: In your Registry, create an autodiscover reference. Reporter Bae Jun-woo reports. For Exchange troubleshooting issues with autodiscover and connectivity issues you can use Microsoft's TestConnectivity site. Compare this information when only the ExcludeScpLookup value is set to 1. Review the following possible DWORD values that may be located under the \Autodiscover subkey. Before you send a request to a candidate, make sure it is trustworthy. If there's no policy in place, but the previous steps didn't retrieve a payload, Outlook now attempts to retrieve a payload from the local file even without the PreferLocalXML setting in place. Create the following registry key in order to force Outlook to use the newer authentication method for web services, such as EWS and Autodiscover. If this step does not retrieve a payload, Outlook moves to step 9. Before throwing in the towel, you can try a couple more things: you can send an unauthenticated GET request, or query DNS for an SRV record. Value: ShowCertErrors Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Still need help? For this step, Outlook sends a request to the Autodiscover domain URL (http://autodiscover./autodiscover/autodiscover.xml) and test for redirect responses. I hope i've explained correctly the problem, and that you will be able to help me ! Use User Principal Name (UPN) to expedite the Autodiscover process. The following figure shows how to generate an Autodiscover endpoint list. When you use the Autodiscover service in Microsoft 365, you experience one of the following issues: This issue occurs because the Autodiscover process that's used by Outlook receives an unexpected result from a third-party web server when it performs the root domain lookup. The LKG step is only used for discovering the primary mailbox configuration. A Connectivity Test Successful message is displayed when the Autodiscover test passes. If none of your candidates worked out, you move on to phase three, which represents a "last ditch" attempt to find an Autodiscover endpoint. However, because Outlook receives a successful Autodiscover response from the root domain lookup, Outlook tries to authenticate against the advertised protocols such as POP and IMAP, and the operation fails. On the File menu, select Exit to exit Registry Editor. When Outlook tries to contact the Autodiscover service on the Exchange server with the Client Access Server (CAS) role, it can use several different methods to reach the service, depending on the client-server topology. This article is scoped to describe the detailed steps that Outlook uses for Autodiscover attempts to obtain the MAPI-based protocols from Exchange. On a domain-joined computer, Outlook needs to know the UPN for a user in order to initiate the Autodiscover process. The record will take the form "_autodiscover._tcp." Press the CTRL key, right-click the Outlook icon in the notification area, and then click Test E-mail AutoConfiguration. Microsoft Office 365 provides features that can support customers with ITARobligations. For more information about the Autodiscover service, see Autodiscover service in Exchange Server. Look for a key with your domain name in it, right click on it, and delete it. If you entered the data correctly, you receive the following message: You are now verified for the rest of this browser session (30 minute maximum). For more information about how to back up and restore the registry, go to the following article in the Microsoft Knowledge Base: 322756 How to back up and restore the registry in Windows. The policy control value for this step is as follows: By default, Outlook queries the known endpointto retrieve the Autodiscover payload. If this step does not retrieve a payload, Outlook moves to step 3. Within Autodiscover add a DWORD (32 bit Value) with the name ExcludeHttpsRootDomain and set the value to 1. In step 2, Outlook checked whether the administrator had deployed a policy to specifically check for the Autodiscover payload as a preference. Reading the results provided by the tool should reveal clues regarding why connectivity failed. In order to disable SCP lookup from windows registry, open Registry Editor and navigate to the following registry path. Navigate using the arrows on the left-hand side to the following location: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\AutoDiscover. If this step does not retrieve a payload, Outlook moves to step 10. This has been known to cause application errors during 'AutoDiscover'. Then you need to reboot and re-create the Outlook profile. 6004 Luzern Switzerland That the SSL certificate presented by the server is valid and from a trusted authority. Luckily, Autodiscover defines a limited number of places for you to look. Enter an email address for the SMTP domain in which you're experiencing the issue. Default: 0 If this step does not retrieve a payload, Outlook moves to step 7. This behaviour breaks the experience for both existing profiles, and newly created profiles fortunately we have discovered a workaround involving a registry fix, for which the steps will be detailed below. First clue is that the key doesn't exist. In cases 1 and 2, Outlook tries to retrieve the autodiscover XML from the new URL, provided that the protocol is https. Information: This value controls how Outlook handles certificate errors and warnings that are received when it performs http tasks. The following figure shows the three phases of the Autodiscover process. In the upper-right area of the page, select Expand All to view the complete Remote Connectivity Analyzer test results. Conceptually, the process works as follows: During step 4 of the Autodiscover process, Outlook queries the Office 365 Config service. 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