There Ought to be a Planet at that Location!
One ETW trace pointed to a set of intermittent symptoms (messages were simplified for this post):
# PID TID Message
[...]
31278 2300 7060 RequestXMLData entry
31281 2300 7060 RequestXMLData: XML error
[...]
Searching for issues having this error only pointed to a case with a mixed software product environment where some servers had the product version X and other servers the product version X+1. However, in the new case the customer claimed that he had only the product version X+1 on all production servers. We insisted and, after the closer inspection, servers with the product X were found…
- Dmitry Vostokov @ TraceAnalysis.org -