In general there are two types of a network build:
- initial build considering the entire network dataset
- consecutive builds considering edges in a cleaning area
A build in the cleaning area happens if some streets or streets attributes were edited. Only the affected edges are re-calculated, which makes it pretty fast. However, if streets covering a large area or many areas are edited, calculating the cleaning area and calculating the build in the cleaning areas might take longer than an initial build.
In these cases, in Desktop it helps to edit the network attributes, which causes a full, initial-like build process. This is more a workaround. An option to select the build type before running the build, in the build tool, would be desireable.
In an SDE database it is not even possible to edit network attributes. It is not possible to run an initial-like build in an SDE database after editing many streets. The option to skip the calculation of cleaning areas resp. to enforce a full, initial-like build with a parameter in the build-tool is really required.