This could be cause of usage of different versions of cryptocme2.dll
This is location of CA's file: C:\Program Files\CA\SC\ETPKI\lib\cryptocme2.dll [Additional Info: File Version: Not Available, Timestamp: 2/29/2012 9:43 PM, size 3,188 KB] Location of SAP's file : D:\Program Files\SAP BusinessObjects\SAP BusinessObjects Enterprise XI 4.0\win32_x86\cryptocme2.dll [ Additional Info: File Version 126.96.36.199 , TimeStamp: 2/25/2011 6:55 PM, size: 1704 KB]
To fix this issue: you need to rename dll C:\Program Files\CA\SC\ETPKI\lib\cryptocme2.dll to cryptocme2_ca.dll
Next is to copy D:\Program Files\SAP BusinessObjects\SAP BusinessObjects Enterprise XI 4.0\win32_x86\cryptocme2.dll to C:\Program Files\CA\SC\ETPKI\lib\
Next is to uninstall BO XI 4.0 SDK via Control Panel.
You have to restart the Box and stop IIS Admin Server.
In last, you have to install BO XI 4.0 RAS 32 bit Dot Net SDK to D:\Program Files\SAP BusinessObjects