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You have a Microsoft SharePoint Server 2019 farm that contains multiple provider-hosted add-ins and a Workflow Manager farm.
You run the SharePoint Hybrid Configuration Wizard.
Users report that the add-ins and the workflows fail.
You need to resolve the issue as quickly as possible.
Solution: From the SharePoint 2019 Management Shell, you update the realms for the provider-hosted add-ins and the Workflow Manager.
Does this meet the goal?
SharePoint Add-ins are associated with SPTrustedSecurityTokenIssuers using the IssuerId and on request it tries to get a token from the Secure Token issuer (STS). The token issuers are tied to the authentication realm and once the realm is changed, the SharePoint Add-ins can no longer authenticate successfully. The trustedtokenissuer with the correct IssuerId still exists in the farm but it is associated with the previous authentication realm.
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