Bug ID 998473

Bug ID 998473: NTLM Authentication fails with 'RPC Fault received' error and return code: 0xc0000001 (STATUS_UNSUCCESSFUL)

Last Modified: Nov 07, 2022

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4

Fixed In:
16.1.0, 15.1.4.1

Opened: Mar 02, 2021
Severity: 3-Major

NTLM Authentication fails with 'RPC Fault received' error and return code: 0xc0000001 (STATUS_UNSUCCESSFUL)

NTLM authentication for Active Directory users which are subscribed to more than hundred groups will fail.

1. NTLM front-end authentication is enabled. 2. Active Directory users are subscribed to more than one hundred groups.

None

A fix has been provided to the sequence number handling which is used to calculate the RPC checksum as part of ID 949477.