Hi every one,Situation: 1. Windows 2008 R2 Data Center Edition > Data Base Server – Microsoft SQL 2008 R2 RTM > Data Base 2. Windows 2008 R2 Enterprise > WFE – SharePoint 2010 Enterprise – PowerPivot for SharePoint – SQL Server Integrity Services – SQL Reporting Services – Excel Services – Visio Services – …Error: – The user name or password is incorrect-Log on failed. Ensure the user name and password are correct. – The remote server returned an error: (500) Internal Server Error.Elaboration:When I create a direct and individual .rdl files, They are running properly and there is not problem.The problem occurred when I clicked on "create report builder report" in a Gallery view where I uploaded a .xlsx enriched by PowerPivot to make a .rdl report.When the "sql server 2008 r2 report builder 3" ran, the data source was created automatically like this:Data Source=http://<domain name>/sites/<site collection>/Gallery1/<file name>.xlsx point one: The credential was set: "use current windows user. Kerberos delegation might be required." and in General> test connection > Connection Created Successfully But: In Datasets (right click)> "Add Dataset…" > use a dataset embedded in my report, <file name>.xlsx, Query Designer… The error occurs here: "The remote server returned an error: (500) Internal Server Error." Point two: Change the credential of data source to: "use this user name and password: User name: <domain>\<user> Password: **** Use as windows credential But: In Datasets (right click)> "Add Dataset…" > use a dataset embedded in my report, <file name>.xlsx, Query Designer… The error occurs here: "The user name or password is incorrect-Log on failed. Ensure the user name and password are correct. " P.S: I test these: On WFE > reporting services configuration manager> Ø <domain>\reporting services > Start Services Ø Service account > use another account <user name> and <password> Ø … Ø Execution account > "specified" Ø Encrypted key deletedThe SSIS is running in both server (PowerPivot for SharePoint which is on WFE and SQL server) - I checked all possible position (stop it on one of servers and start on another…)I disable the anonymous Access in Central Administration > Authentication Provider> Edit default Authentication> remove tick mark (and one another time put it)Plus both Enable and disable client integrationI checked log file in %program file%\ Microsoft SQL Server\MSRS10_50.REPORTINGSERVICE\Reporting Services\LogFiles There was no recent log file (the last one was for about 5 hours ago), besides there was nothing corresponding with these errors.… if there is anything that I didn't explained, please ask me. I am straggling with this error about 9 days. Would you please help me?
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