smkeyexport clear text not working

Document ID : KB000116828
Last Modified Date : 03/10/2018
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We are running the following command to export the Key Store keys : 

smkeyexport -okeyexport.smdif -dsiteminder -wpassword -c -v -t 

but in the keyexport.smdif file, we still see the keys with the mark {RC2}
which means that they are still  encrypted. 

So when we try to import those keys when running smkeyimport, we get 
the error : 

  Cleartext import specified yet KeyManagement key is already 
  encrypted in import file. Skipping encrypt. Continuing.. 

How can we fix this ?
Policy Server 12.51CR01 on Windows 2008R2; 
  Policy Server JDK 1.6.0_45 32bit;
This is a known issue by Policy Server 12.51CR01. And it is fixed on 
Policy Server 12.51CR02 as per readme : 

Policy Server 12.51 CR02 

177001, 182980 During the data export, smkeyexport and the -k and -c 
options of smobjexport do not decrypt the keys. 

Apply at least the 12.51CR02 or higher on the Policy Server 12.51CR01 to fix this issue.