Using LZX compression with 2 threads
Archiving file data: 4910 MiB of 4910 MiB (100%) done
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Adding winre.wim to install.wim . . .
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Creating ISO . . .
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OSCDIMG 2.56 CD-ROM and DVD-ROM Premastering Utility
Copyright (C) Microsoft, 1993-2012. All rights reserved.
Licensed only for producing Microsoft authorized content.
Scanning source tree (1500 files in 54 directories)
Scanning source tree complete (1632 files in 97 directories)
Computing directory information complete
Image file is 3260907520 bytes (before optimization)
Writing 1632 files in 97 directories to 15060.0.170314-1527.RS2_RELEASE_CLIENTPRO_OEMRET_X86FRE_ZH-CN.ISO
100% complete
Storage optimization saved 18 files, 86016 bytes (0% of image)
After optimization, image file is 3264376832 bytes
Space saved because of embedding, sparseness or optimization = 86016