An error occurred during an attempt to access the ADFS configuration database: Error message: ADMIN0017: An exception occurred while connecting to the configuration service. The configuration service URL 'net.tcp://localhost:1500/policy' may be incorrect or the AD FS 2.0 Windows Service is not running.
Follow following steps to get rid of this error:
- Check the Windows firewall is "turned off" for "Domain Network"
- Check the connectivity (by ping AD IP or name) to the AD servers
- Check the site replication between the AD servers if you have multiple AD servers
- Go to services console double click on "Windows Internal Database" Services remove the ADFS services account password and re-enter the password again and start the service.
- Repeat the same steps above 4 in services console for "Active Directory Federation Services" too.