sql server reporting services: Has anyone successfully installed the Exchange Pack for Reporting Services?

I've attempted a couple of times and continue to get "Object Reference not
set to an instance of object", which causes the install to rollback.

Does anyone know how to correct this problem?

Thanks.

Several others are having the same problem. I haven't found a fix yet.
It seems the version available on SSW's site is different and
time-limited.

Any updates on this that you know of? I am seeing the same issue.

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