Altaro VM Backup Support Centre



Error "This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms" during backup

Last Updated: Oct 21, 2016 05:12PM CEST

PROBLEM


An error as below is displayed when backing up a virtual machine:

[Inner Exception Message]: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.




 

CAUSE


This is a known issue if FIPS policies are enabled on the machine running Altaro VM Backup.


 

SOLUTION


To solve this issue, perform the following 2 steps to disable FIPS policies on the machine running Altaro VM Backup:


1. Go to Control Panel >> Administrative Tools >> Local Security Policy
 

DISABLE the setting for "System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing" as shown below:
 




Note: Ensure this is disabled on both the local and the group policy if you have one applied.


2. Open the registry editor and set the following two keys to a value of '0':

HKLM\System\CurrentControlSet\Control\Lsa\FIPSAlgorithmPolicy

and

HKLM\System\CurrentControlSet\Control\Lsa\FIPSAlgorithmPolicy\Enabled


Then reboot the machine to affect the registry changes, and attempt the backup again, this should be successful.

 

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