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gringo89 Frequent Visitor
Frequent Visitor

Power BI RS: error connection on SSAS with windows authentification

Hi,

 

We have got an error when i want to connect with power bi report on SSAS datasource.

The connection on SSAS is with authentification windows of connected user and i have this error :

|ERROR|22|PBI.Win.DataExtensionException|ExceptionType:Microsoft.PowerBI.DataExtension.Contracts.DataExtensionException;DataExtensionErrorDetails:Details: Message=Failed to open the MSOLAP connection., HResult=0x80004005, ErrorCode=OpenConnectionError, Language=en-US, ProviderErrorCode=0x00000000, ProviderErrorMessage=[7A59B7A8A1D3F5DFF802B686DA37E746230D73D342093788372E08D29F9BAF29], ProviderGenericMessage=[Error Code = 0x00000000, External Code = 0x00000000:.], ErrorSource=PowerBI, ErrorSourceOrigin=MsolapWrapper, OnPremErrorCode=, InnerErrorDetails=[Type=MsolapWrapper.MsolapWrapperException, Message=Could not initialize connection];stackTrace: à Microsoft.PowerBI.DataExtension.Msolap.Connection.OpenImpl()
à Microsoft.PowerBI.DataExtension.Contracts.Utilities.RunSynchronously(Action action)

 

When I forced the user authentification, the connection to SSAS is OK.

 

Report Server and SSAS are on different server.

 

Please, Can you help me?

 

1 ACCEPTED SOLUTION

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Super User
Super User

Re: Power BI RS: error connection on SSAS with windows authentification


@gringo89 wrote:

There is not SPN configured on SSAS server. Do you think it's the trouble?


Yes, if SSAS and PBIRS are on separate servers then you will need to have SPNs and Constrained Delegation configured in order to get Kerberos Authentication working (see https://docs.microsoft.com/en-us/power-bi/report-server/configure-kerberos-powerbi-reports)

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2 REPLIES 2
gringo89 Frequent Visitor
Frequent Visitor

Re: Power BI RS: error connection on SSAS with windows authentification

There is not SPN configured on SSAS server. Do you think it's the trouble?

Highlighted
Super User
Super User

Re: Power BI RS: error connection on SSAS with windows authentification


@gringo89 wrote:

There is not SPN configured on SSAS server. Do you think it's the trouble?


Yes, if SSAS and PBIRS are on separate servers then you will need to have SPNs and Constrained Delegation configured in order to get Kerberos Authentication working (see https://docs.microsoft.com/en-us/power-bi/report-server/configure-kerberos-powerbi-reports)

View solution in original post

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