When adding multiple DVA servers to Surveillance Station CMS, individual database will be merged into one to ensure detection consistency. The merge is irreversible. Please check the rules below before you proceed.

• For Surveillance Station 8.2.9 to 8.3:
  • Multiple DVA servers configured with Face Databases in a CMS structure
• For Surveillance Station 9.0 or above:
  • Multiple DVA servers configured with License plate Databases or Face Databases in a CMS structure

User Profiles

• The maximum user profile limit is 10,000.
• User profiles with different accounts will be synced across all servers.
• The system merges profiles in a random order. Extra profiles will be dropped once the limit of 10,000 is reached.
• If there are user profiles with identical accounts on the host server and a recording server, the data of the host server will be adopted.
• If there are user profiles with identical accounts on different recording servers, the data will be adopted from a random server.

Groups

• The maximum group limit is 1,000.
• Groups with different names will be synced across all servers.
• The system merges groups in a random order. Extra groups will be abandoned once the limit of 1,000 is reached.
• If there are groups with identical names, their group members will be synced across all servers.

License Plate Database

• The maximum license plate number limit is 10,000.
• License plate numbers with different accounts will be synced across all servers.
• The system merges license plate numbers in a random order. Extra license plate numbers will be dropped once the limit of 10,000 is reached.
• If there are license plate numbers with identical numbers on the host server and a recording server, the data of the host server will be adopted.
• If there are license plate numbers with identical numbers on different recording servers, the data will be adopted from a random server.