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Dynamics 365 for 财务和运营本地化部署版中如何验证身份 / How authentication works in Dynamics 365 for Finance and Operations On-premises

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In this article I'm going to explain the moving parts to authentication in on-premises Dynamics 365 for Finance and Operations. The intention of this article is to provide some background to how the process works, so that if you have issues you can work through them to figure out what's wrong. First off - there's one option you provide during environment deployment, the URL for AD FS, which looks something like this: https://dax7sqlaoadfs1.saonprem.com/adfs/.well-known/openid-configuration You'll find that mentioned in the deployment instructions here During deployment this is going to be used to set various options in the AOS xml config files on each AOS machine. You'll find the AOS config in a folder similar to below - note that the numbers vary from machine to machine: C:\ProgramData\SF\AOS_10\Fabric\work\Applications\AXSFType_App218\AXSF.Package.1.0.xml Within this config file (which is on each AOS machine) you'll find a few sections which are set from the LCS deployment setting for AD FS, this bit: <Section Name="Aad"> <Parameter Name="AADIssuerNameFormat" Value="https://dax7sqlaoadfs1.saonprem.com/{0}/" /> <Parameter Name="AADLoginWsfedEndpointFormat" Value="https://dax7sqlaoadfs1.saonprem.com/{0}/wsfed" /> <Parameter Name="AADMetadataLocationFormat" Value="https://dax7sqlaoadfs1.saonprem.com/FederationMetadata/2007-06/FederationMetadata.xml" /> <Parameter Name="AADTenantId" Value="adfs" /> <Parameter Name="AADValidAudience" Value="https://ax.d365ffo.zone1.saonprem.com/" /> <Parameter Name="ACSServiceEndpoint" Value="https://accounts.accesscontrol.windows.net/tokens/OAuth/2" /> <Parameter Name="ACSServicePrincipal" Value="00000001-0001-0000-c000-000000000000" /> <Parameter Name="FederationMetadataLocation" Value="https://dax7sqlaoadfs1.saonprem.com/FederationMetadata/2007-06/FederationMetadata.xml" /> <Parameter Name="Realm" Value="spn:00000015-0000-0000-c000-000000000000" /> <Parameter Name="TenantDomainGUID" Value="adfs" /> <Parameter Name="TrustedServiceAppIds" Value="913c6de4-2a4a-4a61-a9ce-945d2b2ce2e0" /> </Section> Also this section: <Section Name="OpenIDConnect"> <Parameter Name="ClientID" Value="f06b0738-aa7a-4a50-a406-5c1e486c49be" /> <Parameter Name="Metadata" Value="https://dax7sqlaoadfs1.saonprem.com/adfs/.well-known/openid-configuration" /> </Section> <Section Name="Provisioning"> <Parameter Name="AdminIdentityProvider" Value="https://dax7sqlaoadfs1.saonprem.com/adfs" /> <Parameter Name="AdminPrincipalName" Value="admin@exampleDomain.com" /> </Section> The AOS is using these config values to know where to redirect to when a user tries to hit the application URL - so user hits the URL, AOS should redirect to the AD FS login page (using the values from this config), user enters their credentials, and gets redirects to the application URL again. If values in the AOS config file are incorrect - then that typically means the value given for ADFS during environment deployment was wrong - easiest thing is to delete and redeploy the environment from LCS with the right value - it is possible to manually edit the config files, but to be safe, do a redeploy. If you do edit the config files then you need to restart the AOS services for it to take effect - either from SF explorer (right click the AOS node under Nodes, and choose restart, then wait for a minute or so for it's status to go back to green) or reboot the machine. One example of an error caused by this, if I had entered the AD FS URL in LCS deployment wrongly (as below - note the missing hyphen) then I would get server error 500 when going to the application URL, because it no longer knows how to redirect to AD FS properly https://dax7sqlaoadfs1.saonprem.com/adfs/.wellknown/openid-configuration The second piece to the authentication process is ADFS itself, on the ADFS server if you open "AD FS Management" (from Control Panel\System and Security\Administrative Tools), and look under "Application groups", you'll find a group called "Microsoft Dynamics 365 for Operations On-premises" - within this group the settings for AD FS for Dynamics are kept - specifically there are application URLs, the same one you specified during environment deployment as the URL for the application, here's an example: AD FS application group setup AD FS uses the Client ID and the URLs to decide whether the request for access is ok or not. You will notice that the Client ID is also listed in the AOS config (it's in the section I pasted above) - if both the client ID and the URL don't match what the AOS is requesting, then AD FS will deny the token - if that happens you'll find an error in the Event Log on the ADFS server - there's a special event log for AD FS under "Application and Services logs\AD FS\Admin" AD FS event log error In the case that any of the AD FS application group setup is wrong, you're likely to see an error in it's event log which explains the value it was looking for, so you can figure out what is set incorrectly.
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