Consider the following scenario:
After updating the SSL certificate used by Microsoft Dynamics CRM, you may encounter the following error messages when attempting to access the website or FederationMetadata.xml page:
Issue #1:
HTTP 500 Error ‘Keyset does not exist’
Error: Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=6.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: System.Security.Cryptography.CryptographicException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #61396B66Detail: -2147220970 System.Security.Cryptography.CryptographicException: Microsoft Dynamics CRM has experienced an error.
Keyset does not exist Not available Not available https://crmwebsite.domain.com/Handlers/FederationMetadata.ashx /Handlers/FederationMetadata.ashx ASHX_XML
Issue #2:
After deploying a new certificate using the Legacy key template, a ‘Keyset does not exist’ may occur