Data Protector DPWINBDL_00701 throws an 0x80004005 error

Today I’ve upgraded a Data Protector environment (DP6.20) to the latest available version (DP7.01). Everything went OK until I needed to upgrade the installation server in DMZ. When installing the patch bundle (DPWINBDL_00701) I received the following error:

Unhandled Exception
Error Number: 0x80004005
Description: Unspecified error

Setup will now terminate

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