text: Then, issue the following command in the CLI: 
  
  chencryption -usb validate 
  
  To make sure that USB drives contain the correct master access key, disable the encryption 
  key server provider by issuing the following command: 
  
  chencryption -keyserver disable 
  
  This command disables the encryption key server provider, which effectively migrates your 
  system from encryption key server to USB flash drive provider. 
  
  **12.6.3 Migrating between different key server types**
  
  The migration between different key server types cannot be performed directly from one type 
  of key server to another. USB flash drives encryption must be used to facilitate this. 
  
  If you want to migrate from one type of key server to another, you first need to migrate from 
  your current key servers to USB encryption, and then, migrate from USB to the other type of 
  key servers. 
  
  The procedure to migrate from one key server type to another is shown here. In this example, 
  we migrate an IBM Spectrum Virtualize system that is configured with IBM SKLM key servers 
  (as shown in Figure 12-66) to SafeNet KeySecure servers. 