Knowledge Base FAQ Item #7250065
Q7250065: We receive the following error when executing a Windows check: "Please raise the activation authentication level at least to RPC_C_AUTHN_LEVEL_PKT_INTEGRITY in client application". We're using WMI through DCOM.
Microsoft has strengthened the authentication used between DCOM clients and servers, ensuring that none of the data transferred between the client and server has been modified.
More more information, see FAQ #Q7250060(viewed: 529)