When using the Reattach Sketch command, which of the following cannot be specified?

The Reattach Sketch command in Siemens NX allows users to modify the way a sketch is associated with the geometry in their model. This command enables the user to reposition a sketch to a different plane or orientation, which is crucial in design adjustments.

When utilizing this command, users can specify a new sketch plane, effectively changing the surface to which the sketch is linked. Additionally, they can adjust the sketch orientation, allowing for the sketch to align properly with the new context or design intent. The option to define a new sketch origin is also included, giving flexibility in locating the sketch in relation to the existing geometric references.

However, specifying the new sketch group is not an option that can be changed with the Reattach Sketch command. Groups in NX are typically used for organizing sketches and features, but the actual association with a new group doesn't fall within the capabilities provided by the Reattach Sketch function. This emphasis on the sketch's geometric and spatial properties illustrates why this particular choice is not applicable in the context of reattaching a sketch.