After upgrading Enterprise Vault nodes in a Microsoft Cluster Server, registry values revert to pre-upgrade values

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When Enterprise Vault (EV) resources in a Microsoft Cluster Server (MSCS) are brought back online after an upgrade, MSCS replication causes values in the EV registry key "HKEY_LOCAL_MACHINE\Software\KVS\Enterprise Vault" to revert back to pre-upgrade values.


After the upgrade, but prior to bringing the EV resources online, perform the following steps to export upgraded registry values to a file.
Note: If all nodes of the cluster have already been upgraded and brought online, then you will need to bring the resources back offline and reinstall the EV application files on one of the nodes to recreate the upgraded registry values before proceeding.
  1. Go to Start | Run, type regedit, and click OK.
  2. Expand HKEY_LOCAL_MACHINE\Software\KVS (or HKEY_LOCAL_MACHINE\Software\Wow6432Node\KVS on 64-bit servers)
  3. Highlight Enterprise Vault, go to File > Export, and save the key to a .reg file.
  4. Bring the EV cluster resources online on the updated node using Cluster Administrator.
  5. Run the following command.
  • Open Command Prompt as Administrator
  • Type Cluster resource EVServername-EnterpriseVaultAdminService /check
  • In the ouptut of the above command, we will see the path where its checkpointing.
  • Use the following command to remove the check
  • Cluster resource EVServername-EnterpriseVaultAdminService /removecheck : "Software\KVS\Enterprise Vault"


6. While the services are online on the node, import the .reg file saved in step 3 by double-clicking it to overwrite the pre-upgrade values with the proper values.

7. Once Adminservice is online run the following command to add the check.

8. Cluster resource EVServername-EnterpriseVaultAdminService /addcheck:"Software\KVS\Enterprise Vault"



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