Article ID: 927156 - View products that this article applies to.
Consider the following scenarios:
10/09/2006 14:08:26 8 ERR Task configdb has failed with an unknown exception 10/09/2006 14:08:26 8 ERR Exception: System.ArgumentException: Error during encryption or decryption. System error code 997. at Microsoft.SharePoint.Administration.SPCredentialManager.DecryptWithMasterKey(Byte rgbEncryptedPassphrase) at Microsoft.SharePoint.Administration.SPEncryptedString.GetSecureStringValue() at Microsoft.SharePoint.Administration.SPEncryptedString.get_SecureStringValue() at Microsoft.SharePoint.Administration.SPProcessIdentity.get_SecurePassword() at Microsoft.SharePoint.Administration.SPApplicationPool.Provision() at Microsoft.SharePoint.Administration.SPWebServiceInstance.Provision() at Microsoft.SharePoint.Administration.SPFarm.Join() at Microsoft.SharePoint.PostSetupConfiguration.ConfigurationDatabaseTask.CreateOrConnectConfigDb() at Microsoft.SharePoint.PostSetupConfiguration.ConfigurationDatabaseTask.Run() at Microsoft.SharePoint.PostSetupConfiguration.TaskThread.ExecuteTask()
This issue occurs if the Network Service account is used as the farm account. In this situation, when you remove Windows SharePoint Services 3.0 from a stand-alone farm, or when you remove SharePoint Server 2007 from a Windows SharePoint Services 3.0 farm environment, the following registry subkey that is used to encrypt passwords that are contained in the Windows SharePoint Services 3.0 configuration database (configdb) is deleted:
Therefore, when you try to join a Web application that exists in the configuration database that does not use the Network Service account, the Web application account credentials cannot be decrypted. This occurs because the required registry subkey is deleted.
HKLM\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\12.0\Secure\ FarmAdmin\
Important This section, method, or task contains steps that tell you how to create a new SharePoint Configuration database. Before performing this action save any SharePoint settings that will be needed to recreate the SharePoint farm if it is still accessible. These include, but are not limited to farm wide settings in Central Administration, web application settings and site customizations. It may not be possible to join a SharePoint server back to the original Configuration database when experiencing the above error.
To work around this issue, run Psconfig.exe at the command line to create a new Windows SharePoint Services 3.0 configuration database. To do this, follow these steps:
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