BIZTALK: Cannot perform encryption or decryption because the secret is not available from the master secret server

TITLE: BizTalk Server 2006 Administration Console
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Could not store transport type data for Primary Transport of Send Port '***_SendPort' to config store. Primary SSO Server '*****' failed. Cannot perform encryption or decryption because the secret is not available from the master secret server. See the event log (on computer '*****') for related errors.
 (Microsoft.BizTalk.ExplorerOM)

For help, click: http://go.microsoft.com/fwlink/?LinkId=47400&ProdName=Microsoft+BizTalk+Server+2006&ProdVer=3.5.1602.0&EvtSrc=Microsoft.BizTalk.ExplorerOM.Resources&EvtID=IDS_ERR_TRANSPORTINFO_SSO_SETCONFIG

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REASON:
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Maybe someone had reset the service account password or any other cause.

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SOLUTION:
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If you get this SSO error:
Cannot perform encryption or decryption because the secret is not available from the master secret server, do the following steps:
1. Open command prompt:
2. Go to c:\program files\common files\enterprise single sign-on\
type: ssoconfig -restoresecret SSO9F54.bak (the sso back up file created at the time of biztalk configuration)
3) Give the valid password

4)On success, type: ssoconfig -backupsecret latestbackup.dat
Give a password, and perform them successfully to take the backup of latest sso config file.