Summary
If a Laserfiche Directory Server (LFDS) SAML SSO configuration has the "Sign authentication request" option enabled, and the Laserfiche Directory Server service account does not have the "Read" permission on the private key of the specified certificate, selecting the SAML option on the LFDSSTS login page throws a "Keyset does not exist" error.
The error may also appear in the following Event Log channels under "Applications and Services Logs":
Resolution
Grant the Laserfiche Directory Server service account the "Read" permission on the signing certificate's private key.
To grant private key permissions
The permissions change takes effect immediately. It is not necessary to restart the Laserfiche Directory Server service or recycle its IIS application pools.