I have been having similar issues, starting with 17.1.0, 17.1.1, and now 17.1.2. My document size is small (11 MB), and I am filtering on a dataset that would yield 30+- rows into either a pixel perfect or an excel report (I've tried both template types). The service account for qlikview server and Nprinting have been different from the first install. The object is a straight table with one dimension expression and one measure expression. I cannot preview (get the time out message), and the tasks finish with errors hours after starting it (sometimes it doesn;t finish at all). I turned on interactive services on the server and can see Qlikview cycle through the filters. But, in the end, no report is ever produced.
I opened a ticket with support, and they say I am the only one with this problem.
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