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MSMDPump authentication – no OPTIONS sent

Mark Stacey asked on February 22, 2021

I’m trying to get your tool to connect to our MSMDPump – we have it connected via Xmla4JS (and then to one of your competitors agGrid), so I’m 100% sure it works.
On the working connection, we send an OPTIONS, get a 204, then the POST that succeeds. On your tool though, I just see the 401 in response to the post when I try to connect?
Please assist – if we can get through this auth issue we will certainly be buying your tool

2 answers

Mykhailo Halaida Mykhailo Halaida Flexmonster February 23, 2021

Hi Mark,
Thank you for posting your question.
Our team has received your inquiry and we’re already working on it. We will probably need some time to get to the core of the issue, but we will make sure to respond to you as soon as we have any results.
Thank you for your patience!
Best regards,

Mykhailo Halaida Mykhailo Halaida Flexmonster February 23, 2021

Before getting into further details, we’d suggest ensuring you’re using the withCredentials property in your Flexmonster data source configurations: 

dataSource: { 
type: "microsoft analysis services",
proxyUrl: "",
catalog: "Adventure Works DW Standard Edition",
cube: "Adventure Works",
withCredentials: true

When set to true, this property ensures the authorization is enabled on the client-side.
More on authorization configuration here:
Please let us know if this helps.
Kind regards,

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