topic Windows Authentication Fails in Network Access Control https://community.cisco.com/t5/network-access-control/windows-authentication-fails/m-p/994603#M407516 <P>We are running ACS 4.1.(4) Build 13 on a member server within a 2003 AD Domain.</P><P></P><P>We get the following errors in the CSAuth.log file:</P><P></P><P>AUTH 05/03/2008 17:21:15 E 0384 6180 0x24 External DB [NTAuthenDLL.dll]: NetUserGetLocalGroups failed with result [5]</P><P>AUTH 05/03/2008 17:21:15 E 2169 6180 0x24 External DB [NTAuthenDLL.dll]: nt_GetUsersNTGroups failed</P><P>AUTH 05/03/2008 17:21:15 E 0384 6180 0x24 External DB [NTAuthenDLL.dll]: NetUserGetLocalGroups failed with result [5]</P><P>AUTH 05/03/2008 17:21:15 E 2169 6180 0x24 External DB [NTAuthenDLL.dll]: nt_GetUsersNTGroups failed.</P><P></P><P>It appears that ACS cannot determine group membership of the AD account. I have setup the mappings of AD Groups to ACS Groups.</P><P></P><P>Any ideas?</P> Sun, 10 Mar 2019 22:41:58 GMT craig-allen 2019-03-10T22:41:58Z Windows Authentication Fails https://community.cisco.com/t5/network-access-control/windows-authentication-fails/m-p/994603#M407516 <P>We are running ACS 4.1.(4) Build 13 on a member server within a 2003 AD Domain.</P><P></P><P>We get the following errors in the CSAuth.log file:</P><P></P><P>AUTH 05/03/2008 17:21:15 E 0384 6180 0x24 External DB [NTAuthenDLL.dll]: NetUserGetLocalGroups failed with result [5]</P><P>AUTH 05/03/2008 17:21:15 E 2169 6180 0x24 External DB [NTAuthenDLL.dll]: nt_GetUsersNTGroups failed</P><P>AUTH 05/03/2008 17:21:15 E 0384 6180 0x24 External DB [NTAuthenDLL.dll]: NetUserGetLocalGroups failed with result [5]</P><P>AUTH 05/03/2008 17:21:15 E 2169 6180 0x24 External DB [NTAuthenDLL.dll]: nt_GetUsersNTGroups failed.</P><P></P><P>It appears that ACS cannot determine group membership of the AD account. I have setup the mappings of AD Groups to ACS Groups.</P><P></P><P>Any ideas?</P> Sun, 10 Mar 2019 22:41:58 GMT https://community.cisco.com/t5/network-access-control/windows-authentication-fails/m-p/994603#M407516 craig-allen 2019-03-10T22:41:58Z Re: Windows Authentication Fails https://community.cisco.com/t5/network-access-control/windows-authentication-fails/m-p/994604#M407518 <HTML><HEAD></HEAD><BODY><P>Ensure that you have followed *all* the steps mentioned in this link,</P><P></P><P>Configuring for Member Server Authentication:</P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/docs/net_mgmt/cisco_secure_access_control_server_for_windows/4.1/installation/guide/windows/postin.html#wp1041304" target="_blank">http://www.cisco.com/en/US/docs/net_mgmt/cisco_secure_access_control_server_for_windows/4.1/installation/guide/windows/postin.html#wp1041304</A></P><P></P><P>Also, install Patch 6 for ACS version 4.1(4) Build 13 from,</P><P><A class="jive-link-custom" href="http://www.cisco.com/cgi-bin/tablebuild.pl/acs-win-3des" target="_blank">http://www.cisco.com/cgi-bin/tablebuild.pl/acs-win-3des</A></P><P>- Acs-4.1.4.13.6-SW.zip</P><P>- Acs-4.1.4.13.6-SW-Readme.txt</P><P></P><P>Regards,</P><P>Prem</P><P></P></BODY></HTML> Wed, 05 Mar 2008 21:35:49 GMT https://community.cisco.com/t5/network-access-control/windows-authentication-fails/m-p/994604#M407518 Premdeep Banga 2008-03-05T21:35:49Z