Standard system deployment often requires installing tools directly onto the reference machine, which can contaminate the image. The nature of Easy Sysprep 3.1.2 means:
The portable version is particularly valued for its ease of use in offline environments or as part of a technician's emergency USB kit. Easy Sysprep 3.1.2 Portable
It can be part of a larger toolkit, such as those found on IT Admin Forums or emergency recovery drives. Easy Sysprep 3.1.2 Portable