https://community.cisco.com/t5/network-access-control/ise-machine-authentication-failure/m-p/4465127#M569660 <P>We updated our ISE 2.4 instance to patch 12 over the weekend. After the update, ISE cannot properly authenticate machine accounts in AD. User accounts are unaffected.</P><P>Running the 'Test User Authentication' for a machine produces a failed result.</P><P>This was working before the patch update. The configuration hasn't changed.</P><P>We do have a case open with support but I'm curious if anyone has seen this before.</P> Mon, 13 Sep 2021 14:59:42 GMT jamesbutlerjb303 2021-09-13T14:59:42Z https://community.cisco.com/t5/network-access-control/ise-machine-authentication-failure/m-p/4465127#M569660 <P>We updated our ISE 2.4 instance to patch 12 over the weekend. After the update, ISE cannot properly authenticate machine accounts in AD. User accounts are unaffected.</P><P>Running the 'Test User Authentication' for a machine produces a failed result.</P><P>This was working before the patch update. The configuration hasn't changed.</P><P>We do have a case open with support but I'm curious if anyone has seen this before.</P> Mon, 13 Sep 2021 14:59:42 GMT https://community.cisco.com/t5/network-access-control/ise-machine-authentication-failure/m-p/4465127#M569660 jamesbutlerjb303 2021-09-13T14:59:42Z https://community.cisco.com/t5/network-access-control/ise-machine-authentication-failure/m-p/4465221#M569662 <P>&nbsp;</P> <P>&nbsp; &nbsp; -<STRONG><FONT color="#FF6600"> FYI</FONT> </STRONG>:&nbsp;<A href="https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu42244/?rfs=iqvred" target="_blank">https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu42244/?rfs=iqvred</A></P> <P>&nbsp;M.</P> Mon, 13 Sep 2021 16:32:59 GMT https://community.cisco.com/t5/network-access-control/ise-machine-authentication-failure/m-p/4465221#M569662 Mark Elsen 2021-09-13T16:32:59Z