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Why am I getting a zlib1.dll error when trying to deploy a virtual instance of Netreo?

Sometimes attempts to deploy the Netreo OVA file using vSphere result in the following error:

 

This error message is the result of a known bug in the VMware vSphere 5 client application. More information about the bug can be found in this link: https://communities.vmware.com/message/1992930

To work around this issue follow, these steps:

  1. Go to: http://sourceforge.net/projects/libpng/files/zlib/1.2.3/zlib123-dll.zip/download
  2. Extract only “zlib1.dll” and copy it to:
    1. C:\Windows\System32\ (for 32-bit windows 7) or
    2. C:\Windows\SysWOW64\ (for 64-bit windows 7)
  3. Deploy the OVA file again.