Policy Server :: Agent Connection : Failed to decrypt persistent key

Document ID : KB000097073
Last Modified Date : 19/06/2018
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We're running a Policy Server, and when Web Agent starts, it cannot connect to the
  Policy Server, and the Policy Server reports the error :

  [30474/140414308816640][Thu May 17 2018
  14:46:38][SmObjKeyManagement.cpp:459][ERROR][sm-Server-03080] Failed
  to decrypt persistent key

  It's a new installation.
  So far, we've :
 - Exported the old policy store on the old server
 - Added the schema to the new MS SQL 2014 database (CA SSO 12.52 schema)
   Imported old store
  Policy Server 12.8 on RedHat 7; 
  Policy Store on MSSQL 2014; 
The problem here is that the encryption key between the environment 
where you exported the keys is different than the one where you import 
  In order to make both environment running the same encryption keys, 
  please follow the steps described in that documentation : 

  Reset the r12.x Policy Store Encryption Key 

Additional Information:
  Further related document : 

  SiteMinder r12.52 SP1 CR05 smkeyimport command error/failed