Office Web Apps 2013 KB2592525 not installing

I’ve recently installed Web Apps 2013. The installation is straight forward and documented on Technet . However, there was on tricky issue. KB259255 is a prerequisite and the PS New-OfficeWebAppsFarm cmdlet checks if the KB2592525 is installed. I was installing on a Windows SP1 with all the actual patches. But KB259255 was not installed and the KB2592525 installer refused to install on this machine. One way to get around this is to force the using pkgmgr.

  1. Download KB259255 to on your system
  2. Create a new called “files”
  3. Extract the MSU: expand 6.1-KB259255-x64.msu –F:* .\install
  4. go to files
  5. Install using Pkgmgr: pkgmgr.exe /n:c:\install\6.1-KB259255-x64.xml

That’s it, and the New-OfficeWebAppsFarm cmdlet will accept this workaround.

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