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  1. Distmgr Log Failed To Generate The Encryption Key In Excel
  2. Distmgr Log Failed To Generate The Encryption Key File

This site uses cookies for analytics, personalized content and ads. By continuing to browse this site, you agree to this use. Is it important that the user not be able to see his own encryption key? Or merely important that by discovering his won key, the user should not thereby know everyone else's key? You could prompt the user for a personal key and either store it externally or prompt the user each time you need it. Feb 10, 2016  No actual functionality seemed to be affected but having this message reoccur 40+ times periodically certainly makes distmgr.log hard to follow and it doesn’t look good to the customer either. Cranking up the debug logging and log level for distmgr.log didn’t add any detail either. Jul 01, 2014  Join the conversation. You can post now and register later. If you have an account, sign in now to post with your account. Flow of Content Distribution to Distribution Point. SMSDISTRIBUTIONMANAGER (distmgr.log) – it will take snapshot of the package content to “SCCMContentLib” folder. If you target to the DP installed in this site server, the content will not copy over again to “SCCMContentLib” folder. Create a SCCM package in CAS site.

Deleting and recreating encryption keys are activities that fall outside of routine encryption key maintenance. You perform these tasks in response to a specific threat to your report server, or as a last resort when you can no longer access a report server database.

  • Recreate the symmetric key when you believe the existing symmetric key is compromised. You can also recreate the key on a regular basis as a security best practice.

  • Delete existing encryption keys and unusable encrypted content when you cannot restore the symmetric key.

Recreating Encryption Keys

If you have evidence that the symmetric key is known to unauthorized users, or if your report server has been under attack and you want to reset the symmetric key as a precaution, you can recreate the symmetric key. When you recreate the symmetric key, all encrypted values will be re-encrypted using the new value. If you are running multiple report servers in a scale-out deployment, all copies of the symmetric key will be updated to the new value. The report server uses the public keys available to it to update the symmetric key for each server in the deployment.

You can only recreate the symmetric key when the report server is in a working state. Recreating the encryption keys and re-encrypting content disrupts server operations. You must take the server offline while re-encryption is underway. There should be no requests made to the report server during re-encryption.

You can use the Reporting Services Configuration tool or the rskeymgmt utility to reset the symmetric key and encrypted data. For more information about how the symmetric key is created, see Initialize a Report Server (SSRS Configuration Manager).

How to recreate encryption keys (Reporting Services Configuration Tool)

  1. Disable the Report Server Web service and HTTP access by modifying the IsWebServiceEnabled property in the rsreportserver.config file. This step temporarily stops authentication requests from being sent to the report server without completely shutting down the server. You must have minimal service so that you can recreate the keys.

    If you are recreating encryption keys for a report server scale-out deployment, disable this property on all instances in the deployment.

    1. Open Windows Explorer and navigate to drive:Program FilesMicrosoft SQL Serverreport_server_instanceReporting Services. Replace drive with your drive letter and report_server_instance with the folder name that corresponds to the report server instance for which you want to disable the Web service and HTTP access. For example, C:Program FilesMicrosoft SQL ServerMSRS10_50.MSSQLSERVERReporting Services.

    2. Open the rsreportserver.config file.

    3. For the IsWebServiceEnabled property, specify False, and then save your changes.

  2. Start the Reporting Services Configuration tool, and then connect to the report server instance you want to configure.

  3. On the Encryption Keys page, click Change. Click OK.

  4. Restart the Report Server Windows service. If you are recreating encryption keys for a scale-out deployment, restart the service on all instances.

  5. Re-enable the Web service and HTTP access by modifying the IsWebServiceEnabled property in the rsreportserver.config file. Do this for all instances if you are working with a scale out deployment.

How to recreate encryption keys (rskeymgmt)

  1. Disable the Report Server Web service and HTTP access. Use the instructions in the previous procedure to stop Web service operations.

  2. Run rskeymgmt.exe locally on the computer that hosts the report server. Use the -s argument to reset the symmetric key. No other arguments are required:

  3. Restart the Reporting Services Windows service.

Deleting Unusable Encrypted Content

If for some reason you cannot restore the encryption key, the report server will never be able to decrypt and use any data that is encrypted with that key. To return the report server to a working state, you must delete the encrypted values that are currently stored in the report server database and then manually re-specify the values you need.

Deleting the encryption keys removes all symmetric key information from the report server database and deletes any encrypted content. All unencrypted data is left intact; only encrypted content is removed. When you delete the encryption keys, the report server re-initializes itself automatically by adding a new symmetric key. The following occurs when you delete encrypted content:

  • Connection strings in shared data sources are deleted. Users who run reports get the error 'The ConnectionString property has not been initialized.'

  • Stored credentials are deleted. Reports and shared data sources are reconfigured to use prompted credentials.

  • Reports that are based on models (and require shared data sources configured with stored or no credentials) will not run.

  • Subscriptions are deactivated.

Once you delete encrypted content, you cannot recover it. You must re-specify connection strings and stored credentials, and you must activate subscriptions.

You can use the Reporting Services Configuration tool or the rskeymgmt utility to remove the values.

How to delete encryption keys (Reporting Services Configuration Tool)

  1. Start the Reporting Services Configuration tool, and then connect to the report server instance you want to configure.

  2. Click Encryption Keys, and then click Delete. Click OK.

  3. Restart the Report Server Windows service. For a scale-out deployment, do this on all report server instances.

How to delete encryption keys (rskeymmgt)

Distmgr

  1. Run rskeymgmt.exe locally on the computer that hosts the report server. You must use the -d apply argument. The following example illustrates the argument you must specify:

  2. Restart the Report Server Windows service. For a scale-out deployment, do this on all report server instances.

How to re-specify encrypted values

  1. For each shared data source, you must retype the connection string.

  2. For each report and shared data source that uses stored credentials, you must retype the user name and password, and then save. For more information, see Specify Credential and Connection Information for Report Data Sources.

  3. For each data-driven subscription, open each subscription and retype the credentials to the subscription database.

  4. For subscriptions that use encrypted data (this includes the File Share delivery extension and any third-party delivery extension that uses encryption), open each subscription and retype credentials. Subscriptions that use Report Server e-mail delivery do not use encrypted data and are unaffected by the key change.

See Also

Configure and Manage Encryption Keys (SSRS Configuration Manager)
Store Encrypted Report Server Data (SSRS Configuration Manager)

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Reporting Services uses encryption keys to secure credentials and connection information that is stored in a report server database. In Reporting Services, encryption is supported through a combination of public, private, and symmetric keys that are used to protect sensitive data. The symmetric key is created during report server initialization when you install or configure the report server, and it is used by the report server to encrypt sensitive data that is stored in the report server. Public and private keys are created by the operating system, and they are used to protect the symmetric key. A public and private key pair is created for each report server instance that stores sensitive data in a report server database.

Managing the encryption keys consists of creating a backup copy of the symmetric key, and knowing when and how to restore, delete, or change the keys. If you migrate a report server installation or configure a scale-out deployment, you must have a backup copy of the symmetric key so that you can apply it to the new installation. Openssl generate separate cert and private key.

Important

Periodically changing the Reporting Services encryption key is a security best practice. A recommended time to change the key is immediately following a major version upgrade of Reporting Services. Changing the key after an upgrade minimizes additional service interruption caused by changing the Reporting Services encryption key outside of the upgrade cycle.

Distmgr Log Failed To Generate The Encryption Key In Excel

To manage symmetric keys, you can use the Reporting Services Configuration tool or the rskeymgmt utility. The tools included in Reporting Services are used to manage the symmetric key only (the public and private keys are managed by the operating system). Both the Reporting Services Configuration tool and the rskeymgmt utility support the following tasks:

  • Back up a copy of the symmetric key so that you can use it to recover a report server installation or as part of a planned migration.

  • Restore a previously saved symmetric key to a report server database, allowing a new report server instance to access existing data that it did not originally encrypt.

  • Delete the encrypted data in a report server database in the unlikely event that you can no longer access encrypted data.

  • Re-create symmetric keys and re-encrypt data in the unlikely event that the symmetric key is compromised. As a security best practice, you should recreate the symmetric key periodically (for example, every few months) to protect the report server database from cyber attacks that attempt to decipher the key.

  • Add or remove a report server instance from a report server scale-out deployment where multiple report servers share both a single report server database and the symmetric key that provides reversible encryption for that database.

In This Section

Initialize a Report Server (SSRS Configuration Manager)
Explains how encryption keys are created.

Back Up and Restore Reporting Services Encryption Keys
Explains how to back up encryption keys and restore them to recover or migrate a report server installation.

Store Encrypted Report Server Data (SSRS Configuration Manager)
Describes encryption on a report server.

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Delete and Re-create Encryption Keys (SSRS Configuration Manager)
Explains how you can replace a symmetric key with a new version, and how to start over if symmetric keys cannot be validated.

Add and Remove Encryption Keys for Scale-Out Deployment (SSRS Configuration Manager)
Explains how to add and remove encryption keys to control which report servers are part of a scale-out deployment.

Distmgr Log Failed To Generate The Encryption Key File

See Also