Contents Sharedsupport Installesd.dmg Missing

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Based on https://support.apple.com/en-us/HT201372 I tried twice but both also failed at 100% with the following error:


Now Open Finder ► Applications ► Install OS X El Capitan.app ► right click ► Select Show Package Contents option. Navigate to Contents/SharedSupport ► Mount InstallESD.dmg file Open OS X Install ESD archive in Finder and mount BaseSystem.dmg archive Connect USB drive and open Disk Utility (/Applications/Utilities). Make sure it is in your downloads folder. If you still happen to have the el capitan DP1 installer app somewhere, right click on it and click Show Package Contents. Go to Contents/SharedSupport/. Copy the InstallESD.dmg file into your Downloads folder. 3) Rename InstallESDDmg.pkg to InstallESD.dmg mv /Downloads/ SharedSupport / InstallESDDmg. Pkg /Downloads/ SharedSupport / InstallESD. 4) Edit InstallInfo.plist with a text editor to remove the chunklistURL and chunklistid keys for InstallESD, and renaming it from InstallESDDmg.pkg to InstallESD.dmg (example of edited file attached to.

sudo /Applications/Install macOS Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/Catalina


Password:


Ready to start.


To continue we need to erase the volume at /Volumes/Catalina.


If you wish to continue type (Y) then press return: y


Erasing disk: 0%... 10%... 20%... 30%... 100%


Copying to disk: 0%... 10%... 20%... 30%... 40%... 50%... 60%... 70%... 80%... 90%...


Error: Error Domain=NSCocoaErrorDomain Code=512 '“InstallESD.dmg” couldn’t be copied to “SharedSupport”.' UserInfo={NSSourceFilePathErrorKey=/Applications/Install macOS Catalina.app/Contents/SharedSupport/InstallESD.dmg, NSUserStringVariant=(


Copy


Support

), NSDestinationFilePath=/Volumes/Install macOS Catalina/Install macOS Catalina.app/Contents/SharedSupport/InstallESD.dmg, NSFilePath=/Applications/Install macOS Catalina.app/Contents/SharedSupport/InstallESD.dmg, NSUnderlyingError=0x7fa9a35bddc0 {Error Domain=NSPOSIXErrorDomain Code=34 'Result too large'}}The copy of the installer app failed


Installesd.dmg Couldn’t Be Copied To Sharedsupport

What went wrong ?

Installesd.dmg


For the past, I've been using https://diskmakerx.com to create bootable USB without any issue. This time around, DiskMakerX still have not release support for Catalina, thus I have to make use of command line.

iMac Line (2012 and Later)

Contents Shared Support Installesd.dmg Missing File

Posted on Oct 9, 2019 6:13 AM