sharepoint - Unable to Refresh the Excel Connection in Excel Webaccess Webpart -

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i'm using excel workbook pivot in it. i'm using excess webpart display it. click on refresh data connection.

it throws error. screen shot attached.

enter image description here

i have configured secure store service , excel service application. suggestions ??

i have installed sp2010 + sql server 2008r2 in server. have excel sheet contains pivot(the data comes sql server).

i want show excel file in sharepoint. using excel web access webpart show it, on clicking refresh data connections, throws error. firstly gving error of delegation. when configured secure store service excel services, error changes unable refresh data connection ,contact system administrator.

note: tried deploy powerpivot solution in sp 2010, solution not found in farm solution().

i 'm installing powerpivot(sql server) in existing setup.so please can tell me how proceed above mentioned scenario once when installation of powerpivot complete ?

can 1 suggest related it?

thanks in advance.

find below url link on how install power pivot using sp 2010 , sql server 2008. steps easy understand , solves problem. powerpivot existing farm installation pdf.

cheers, ramu


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