I was deploying an unattended installation of Citrix XenApp 5.0 with Altiris Deployment Server. The installation consists of several prerequisites, the installation of XenApp and finally the Citrix Management Consoles.

The installation is performed with a special account and not the Local System account because the install packages are located on the network.

When testing the deployment on a Windows Server 2008 I noticed that sometimes MSI based installations would fail with error code 1603 or 1601.

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