| Event Id | 1578 |
| Source | Active Directory |
| Description | Promotion of this server to a Global Catalog has been delayed because partition occupancy requirements have not been met. A parameter is used to control the strictness that the Directory enforces the partition occupancy requirement. The parameter is Local Machine \ System \ CurrentControlSet \ Services \ NTDS \ Parameters \ Global Catalog Partition Occupancy The levels are as follows: (0) No occupancy requirement; (1) At least one read-only partition in site added by Knowledge Consistency Checker (KCC); (2) At least one partition in site synchronized fully; (3) All read-only partitions in site added by the KCC (at least one synchronized); (4) All partitions in site synchronized fully; (5) All read-only partitions in forest added by the KCC (at least one synchronized); (6) All partitions in forest synchronized fully. Greater levels include the requirements of lesser levels. The current occupancy requirement is %1. This server is currently at level %2. |
| Event Information | According to Microsoft: EXPLANATION: 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 indicated in the message. The following registry key value defines the directory partition occupancy requirement level: HKeyLocalMachine\System\CurrentControlSet\Services\NTDS\Parameters\GlobalCatalog PartitionOccupancy USER ACTION: No user action is required. However, if you want to begin using this local domain controller as a global catalog immediately, you can change the occupancy requirement level. |
| Reference Links | Windows Operating System (Active Directory) |
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