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Hi All
I have had a dataset that refreshed successfully for about 5 months now ... without a problem. The connection is to an on-prem sql server
On 14 July '19, the dataset refresh stopped with error "Unable to connect to the data source undefined.". (Furtehr details below)
There has been no changes to GW Config, SQL Config, PBI Report, prior to this error occuring.
Since the error appeared, I have actioned the following in an effort to remediate the issue:
All to no avail ... I would welcome any ideas that may point me in the right direction to resolve this problem.
Thank you in advance
Ryan
Further Details:
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