The AD FS Web Agent Authentication Service encountered an invalid configuration value for a parameter in the registry. Registry ...

The AD FS Web Agent Authentication Service encountered an invalid configuration value for a parameter in the registry. 
Registry value: %1 

The authentication service will default to the minimum allowed value for this parameter until the parameter is changed to a valid value. 

User Action 
Increase the parameter value to a value that is within the valid range. 

Additional Data 
The data field contains the current (too-small) value of the parameter.