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KB #240099: Integrating Encryptionizer and Double-Take

⏱️ 1 min read

Type:

Information

Summary:

Instructions on deploying Encryptionizer for SQL Server with Double-Take (aka Double Take or DoubleTake)

Additional Information:

  • Secure SQL Server on all nodes. All nodes should share the same key(s). You should use the following options:
    • Specify “Encrypt New Databases” and “Encrypt Backups”, or create a Rule Mask such that the following file types are encrypted: MDF, LDF, TRN, Backup files.
  • On each node, run Regedit.exe and navigate down to one of these keys (whichever appropriate):
    • HKLMSystemCurrentControlSetServicesNLEMSYS
    • HKLMSystemCurrentControlSetServicesNLEMSQL
    • HKLMSystemCurrentControlSetServicesNLEMSQL64
  • Edit the Value Group and change it from “FSFilter Encryption” to “FSFilter Anti-Virus”.
  • Next, navigate to the key below. If it does not exist, ignore this step.
    HKLMSYSTEMCurrentControlSetservicesNLEMSYSInstancesNlemsys Instance
  • In the right pane edit the Value Altitude and change to 320001
  • Exit Regedit
  • Make sure DoubleTake is disconnected. Alternatively, Stop the Double-Take Service.
  • Encrypt the database(s) on all nodes. Alternatively delete the databases on the secondary node(s) and encrypt them on the primary node.
  • Reboot the nodes.
  • Reestablish Double Take connections and allow initial syncronization to complete.

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