1501792 - Receive Error Unable to connect to SAP BW server Incomplete logon data.. (WIS 10901) when refreshing webi report with SNC

• rz10 snc0, and strust look ok on SAP side
• BOE configuration settings for entitlement and SNC tabs all look good 
• CPIC server logs show SNC is working ok
• sofa logs show SNC is failing
• RFC logs show connection is failing with connection closed error
• SAP server logs show *ERR*.1.GSS-API(maj): A token had an invalid signature.GSS-API(min): Certification path ends at wrong CA.Unable to establish the security context
• The solution for this KB also solved another error

<<- SncPDLInit()==SAP_O_K
*** ERROR => SncPAcquireCred()==SNCERR_GSSAPI  [sncxxall.c 1428]
GSS-API(maj): No credentials were supplied
GSS-API(min): No credentials found for this name (not logged on) (USER=SIAusername)
Could't acquire DEFAULT INITIATING credentials
*** ERROR => ErrISetSys: error info too large [err_r.c      969]
ERROR       GSS-API(maj): No credentials were supplied
GSS-API(min): No credentials found for this name (not logged on) (USER
Could't acquire DEFAULT INITIATING credentials

XI 3.x

zie sso single sign on sign-on refresh connection , KBA , BI-BIP-IK , Integration; Integration kits for SAP, Baan, PeopleSoft, Sie , BI-BIP-IK-AUT , Authentication for integration kits , Problem