Hi, Is MSIMSP looking only at the AssemblyFileVersion of the files? I get a patch that does not patching when the AssemblyFileVersion of original and patched version are the same. Install log says for the most files that only have new AssemblyVersion: "MSI (s) (88:3C) [16:44:59:719]: The file represented by File table key 'ASSEMBLY.dll.AAAAAAA' has no eligible binary patches" I did a change in one file to have something obvious. It says: "... MSI (s) (88:3C) [16:44:59:750]: Activating binary patch with sequence 10042 for file key EXECUTABLE.exe.AAAA MSI (s) (88:3C) [16:44:59:750]: The file represented by File table key EXECUTABLE.exe.AAAA' will be updated using the last binary patch and the file on disk (if possible). MSI (s) (88:3C) [16:44:59:750]: Chain for EXECUTABLE.exe. AAAA starts with the native source file. MSI (s) (88:3C) [16:44:59:750]: Activating binary patch with sequence 10042 for file key EXECUTABLE.exe.AAAA MSI (s) (88:3C) [16:44:59:750]: FALLBACK: The file represented by File table key EXECUTABLE.exe.AAAA' will be updated using a chain of baseline patches. ... MSI (s) (88:3C) [16:44:59:763]: Baseline: EXECUTABLE.exe.AAAA not touched in this transaction, verification required. MSI (s) (88:3C) [16:44:59:763]: Baseline: Existing file EXECUTABLE.exe.AAAA matches baseline from patch Native. MSI (s) (88:3C) [16:44:59:763]: Caching EXECUTABLE.exe.AAAA from C:\Program Files (x86)\COMPANY\ EXECUTABLE.exe for baseline 0 ..." The files does not get changed, although I really made a change to it. Is there somewhere a thorough explanation how MSIMSP determines the files to patch? Thanks, Christoph
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