Mike, thanks for the input. Actually our GenerateID tables are not versioned, each editor has their own seperate Dynamic/GenerateID tables linked in their MXD with different 'sequence' values in each table (1, 7, 10, 11), in order to reduce the number of duplicate ID's generated.
However the sequence counter is not taking these numbers into account, its just going with the next number in sequence (1,2,3) instead of (7,14,21). How can i get it to use the sequence numbers from the GenerateID table when generating ID's??