Bug ID 949477: NTLM RPC exception: Failed to verify checksum of the packet

Last Modified: Oct 23, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Opened: Sep 29, 2020
Severity: 3-Major

Symptoms

NTLM authentication fails with the error "RPC exception: Failed to verify checksum of the packet".

Impact

User authentication fails

Conditions

-- Start nlad process with "encryption". -- Configure a user and map that user to a huge number of groups. -- Configure NTLM front end authentication.

Workaround

Run "nlad" process with "-encrypt no" in the file /etc/bigstart/startup/nlad.

Fix Information

None

Behavior Change