2621483 - Opening Analysis for Office Analysis Plug-in report via BPF fails with error "Could not connect"

You try to open an Analysis for Office - Analysis Plug-in report via a BPC Business Process Flow (BPF), but get an SAP NW logon screen.
Then the following errors are seen:

• "Could not connect"
• Logon dialogue was closed.

The report may be loaded correctly.
You may run into the same error when launching the EPM Add-in from the link in the right bottom corner of BPC Web.

This error may also appear in the trace file:

• Trace.BPFPlugIn|BPFPlugIn.Services.Session.BpcConnectDelegate.DoTask|VSTA_Main|Couldn't connect.System.Net.WebException: The remote server returned an error: (401) Unauthorized.

Read more...

• SAP Business Planning and Consolidation 10.x, version for SAP NetWeaver
• SAP Business Planning and Consolidation 11.x, version for SAP BW/4HANA

SAP Analysis for Microsoft Office 2.6 ; SAP Analysis for Microsoft Office 2.7 ; SAP Business Planning and Consolidation 10.1, version for SAP NetWeaver ; SAP BusinessObjects Analysis 2.4, edition for Microsoft Office ; SAP BusinessObjects Analysis for Microsoft Office 2.5

However, if you close the excel and click the BPF link again, the Netweaver logon dialog appears, Users sometimes still get a login credentials popup when opening an Analysis for Office workbook through a BPF in BPC 10.1 NW Embedded. SSO is already configured through the BPC Plugin. , KBA , the logon service is unreachable , when open activity from bpc , launch , BW-PLA-BPC , BPC 'embedded model' , EPM-BPC-NW , NetWeaver Version , BW-BEX-OT-BICS-INA , BW INA provider , BI-RA-AO , SAP Analysis for Microsoft Office , EPM-BPC-BW4 , BPC/4 , Problem