APS.Net Web App Error: Not FIPS Validated Cryptographic Algorithms

 

This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms

Cause

* See http://support.microsoft.com/kb/911722

Solution one

* Disable registry key: HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control > Lsa > FipsalgorithmPolicy by setting it to 0.

Solution two

Edit application Web.config file.
* Add inside system.web section:

<system.web>
  ...
  <machineKey 
    validationKey="AutoGenerate,IsolateApps" 
    decryptionKey="AutoGenerate,IsolateApps" 
    validation="3DES" 
    decryption="3DES"/>
</system.web>

* Inside system.web, set compilation debug=”false”:

<system.web>
  <compilation debug="false">
</system.web>

* From a privileged DOS window, issue IISRESET to restart IIS.

This entry was posted in IIS and tagged , . Bookmark the permalink.

Leave a Reply

Your email address will not be published. Required fields are marked *


*

This site uses Akismet to reduce spam. Learn how your comment data is processed.