Attempts to update the Active Directory Domain Services database are failing. Active Directory Domain Services will be unable ...

Attempts to update the Active Directory Domain Services database are failing. 
 
Active Directory Domain Services will be unable to log on users while this condition persists. As a result, the Net Logon service has paused. 
 
User Action 
Ensure that adequate hard disk space is available on the volumes where the Active Directory Domain Services database and log files reside. 
 
Additional Data 
Error value:
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