Promotion of the local domain controller to a global catalog has been delayed because the directory partition occupancy requirements ...

Promotion of the local domain controller to a global catalog has been delayed because the directory partition occupancy requirements have not been met. The occupancy requirement level and current domain controller level are as follows. 
 
Occupancy requirement level:
%1 
Domain controller level:
%2 
 
The following registry key value defines the directory partition occupancy requirement level. 
 
Registry key value:
HKeyLocalMachine\System\ CurrentControlSet\Services
TDS\Parameters\Global Catalog Partition Occupancy 
 
Higher occupancy requirement levels include the lower levels. The levels are defined as follows: 
 
(0) Indicates no occupancy requirement. 
(1) Indicates at least one read-only directory partition in the site has been added by the Knowledge Consistency Checker (KCC). 
(2) Indicates at least one directory partition in the site has been fully synchronized. 
(3) Indicates all read-only directory partitions in the site have been added by the KCC (at least one has been synchronized). 
(4) Indicates all directory partitions in the site have been fully synchronized. 
(5) Indicates all read-only directory partitions in the forest have been added by the KCC (at least one has been synchronized). 
(6) Indicates all directory partitions in the forest have been fully synchronized.