![]() ![]() Before you modify it, back up the registry for restoration in case problems occur. Serious problems might occur if you modify the registry incorrectly. The Internet Information Services (IIS) application pool for ADFS (applies only to ADFS 2.0 and ADFS 2.1)įollow the steps in this section carefully.NET application that might be running in the server To apply the change, you must restart the following services and applications: The additional steps from the security advisory require that you create the SchUseStrongCrypto registry key, as described in the advisory article.Įxamples of subkeys for this new registry key: NET Framework 4.6 only are protected by default and do not have to be updated. For an example of this practice, see the Disable old protocols in the registry section. This problem occurs if customers disable old protocols by using SChannel registry keys. HTTP 503 accessing to Office 365 services for federated domains. ![]() Proxies cannot forward traffic to AD FS servers, and the following error message is generated:Įrror HTTP 503 - The service is unavailable.ĪD FS cannot update the federation metadata of the Relying Party Trusts or Claims Provider Trusts that are configured. Unable to retrieve proxy configuration from the Federation Service. The proxy configuration fails either in the wizard or by using Windows PowerShell.Įvents ID 422 is logged on AD FS proxies: This may cause any of the following conditions: This article discusses problems that can occur if you disable TLS 1.0, and provides guidance to help you complete the process.Īfter you disable TLS 1.0 on AD FS or AD FS proxy (WAP) servers, those servers might experience some of the following symptoms:Ĭonnectivity between an AD FS proxy and an AD FS server fails. ![]() Many customers are considering the option to disable TLS 1.0 and RC4 protocol in AD FS, and replace it with TLS 1.1 or a later version. This article provides guidance and considerations for disabling and replacing TLS 1.0 in Active Directory Federation Services (AD FS).Īpplies to: Windows Server 2012 R2 Original KB number: 3194197 Summary ![]()
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