SEPM computer status log shows most of the clients Sequence number as 0 (Not Blank)

Hi All,

In our environment if I fetch Computer status log it shows nearly 50% of clients sequence number as 0.But all the clients having latest definition.

Note: It displays 0(Zero), not blank.

SEPM Server version - 12.1 RU6 MP2

Clients - 12.1 RU6 MP2

Thank You.