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Quick Fix for RIS Not Enough Space On Partition Error

Here’s a quick fix when RIS tells you “the computer does not have enough disk space on the selected partition.

Go to <drive>:RemoteInstallSetupEnglishImages<imagename>i386Mirror1 and make a copy of the IMirror.dat file.
Go to and download the latest version of WinHex. If you are more comfortable with another hex editor, then try it. 
Change the partition size in offset C8 – CF (which is the size in bytes in little endian format). Here are some examples: 

6 GB = 00 00 00 80 01 00 00 00 hex little endian8 GB = 00 00 00 00 02 00 00 00 hex little endian16 GB = 00 00 00 00 04 00 00 00 hex little endian<ol>

Restart the Windows Deployment or RIS services. 


Worked like a charm…on the third try (hence step 1).

(Migrated from 6/16/16)

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