SSO Metalink referance notes ..

NOTE:289666.1 - REP-52251: Cannot Get Output Of Job Id
NOTE:370778.1 - Reports Failing to Run for a New User Entered into SSO
NOTE:298174.1 - Troubleshooting Problems with Report Server and SSO / Portal Integration
NOTE:316223.1 - How to Disable Single Sign-On in Reports
NOTE:329602.1 - REP-56017: Security violation: not a job owner when SSO user has '@' sign
NOTE:338451.1 - REP-56071 Showjobs and Reports Queue Manager are Asking for Userid/Pswd to Display Jobs Info
NOTE:339466.1 - SSO User With @, Showmyjobs No Jobs Displayed or REP-56017 using Getjobid
NOTE:1160747.1 - SSO and OID Reassociation, Enabled After Install Time, Are Not Working in 11g
NOTE:1287972.1 - Reports 11g De-associating OID shows [LDAP: error code 49 - Invalid Credentials]
NOTE:263664.1 - What is the Difference Between SSO and Reports Server Authentication
NOTE:271435.1 - Oracle SSO Failure Calling Reports From SSO Enabled Forms via RUN_REPORT_OBJECT
NOTE:279683.1 - How to Secure a Non-SSO Reports Server with DIAGNOSTIC=NO
NOTE:402934.1 - HTTP 500 Internal Server Error If Reports SSO Is Enabled And Portal Is Not Installed
NOTE:404359.1 - Rep-56071: Security Check Failed With Error Message: Error Code30009
NOTE:851029.1 - REP-503 for Certain SSO Users While Running Reports
NOTE:852352.1 - SSO 10g Integration with Portal, Forms, Reports, Discoverer 11g Release 1
NOTE:423384.1 - Is it Possible to Configure/Use SSO Realms for Reports 10.1.2.x ?
NOTE:437246.1 - Which Possibilities are Available to Prevent Users from Accessing Showjobs Page and Getjobid in URL
NOTE:550440.1 - Reports Fail To Run With Rep-56071 After Replacing Kerberos With Default Single Sign On
NOTE:605337.1 - Reports Queue Manager cannot connect to Reports Server. Userid/password fails
NOTE:736785.1 - Troubleshooting: How To Register a Forms & Reports Services Standalone Installation with an Existing Infrastructure - Switch Forms to SSO
NOTE:745454.1 - Error Rep-50171 While Running Report with SSO at Portal or Servlet

NOTE:418256.1 - How Forms Interacts with SSO and OID During Login
NOTE:796352.1 - REP-50201, REP-56071 And LDAP Error Code 48 "Insufficient access to do Proxy Switch"

NOTE:1085834.1 - How to Configure a Reports Server *without* SSO Authentication even when other Reports Servers *do* use SSO Authentication
NOTE:1094495.1 - Is It Possible to Disable Dynamic Resource Creation when SSOCONN is Used in Reports?
NOTE:203617.1 - "Service specific error 50125" or REP-50125 while Starting the Reports Server
NOTE:216847.1 - REP-56071: Security check failed with error message
NOTE:218911.1 - How to Retrieve the SSO Username in Reports
NOTE:246200.1 - How to Authenticate Report Servlet URLs when SSO is Disabled
NOTE:251033.1 - Reports Unable to Use Newly Created Default Resource as SSOCONN
NOTE:252339.1 - Fonts Change in Printed Output when SSO Turned On or Off and Report Server Restarted
NOTE:253222.1 - Unable to Start Reports Server from EM Website
NOTE:253724.1 - SSO Enabled reports request hangs after putting correct username/pwd in SSO login screen
NOTE:257855.1 - How to Disable SSO for a Registered Report in Portal to Allow Public Access

Thanks 

Srini