https://community.hpe.com/t5/m-and-msm-series/msm765-controller-authentication-tunnel-failure/m-p/6990637#M5920 <P>i have a MSM765 controller with 65 APs&nbsp; MSM320 ,MSM410 and MSM420 and they was synchronized , but now only one aceess point is synchronized and the rest are changing mode from&nbsp;<A href="https://172.18.14.10/centcfg/ap_overview_details.asp?entity=device&amp;selector=00:24:A8:88:36:3C&amp;product=24#diagnostic" target="_blank">Validating capabilities</A>&nbsp;to&nbsp;<A href="https://172.18.14.10/centcfg/ap_overview_details.asp?entity=device&amp;selector=00:24:A8:88:26:9A&amp;product=24#diagnostic" target="_blank">Detected</A>&nbsp;to&nbsp;&nbsp;<A href="https://172.18.14.10/centcfg/ap_overview_details.asp?entity=device&amp;selector=00:24:A8:88:16:A2&amp;product=24#diagnostic" target="_blank">Authentication Tunnel Failure</A>&nbsp;and never be synchronized again , while I can ping them successfully I don not know how to solve this issue , please HELP&nbsp;</P> Wed, 06 Dec 2017 11:49:19 GMT mahmoud123456 2017-12-06T11:49:19Z https://community.hpe.com/t5/m-and-msm-series/msm765-controller-authentication-tunnel-failure/m-p/6990637#M5920 <P>i have a MSM765 controller with 65 APs&nbsp; MSM320 ,MSM410 and MSM420 and they was synchronized , but now only one aceess point is synchronized and the rest are changing mode from&nbsp;<A href="https://172.18.14.10/centcfg/ap_overview_details.asp?entity=device&amp;selector=00:24:A8:88:36:3C&amp;product=24#diagnostic" target="_blank">Validating capabilities</A>&nbsp;to&nbsp;<A href="https://172.18.14.10/centcfg/ap_overview_details.asp?entity=device&amp;selector=00:24:A8:88:26:9A&amp;product=24#diagnostic" target="_blank">Detected</A>&nbsp;to&nbsp;&nbsp;<A href="https://172.18.14.10/centcfg/ap_overview_details.asp?entity=device&amp;selector=00:24:A8:88:16:A2&amp;product=24#diagnostic" target="_blank">Authentication Tunnel Failure</A>&nbsp;and never be synchronized again , while I can ping them successfully I don not know how to solve this issue , please HELP&nbsp;</P> Wed, 06 Dec 2017 11:49:19 GMT https://community.hpe.com/t5/m-and-msm-series/msm765-controller-authentication-tunnel-failure/m-p/6990637#M5920 mahmoud123456 2017-12-06T11:49:19Z https://community.hpe.com/t5/m-and-msm-series/msm765-controller-authentication-tunnel-failure/m-p/6990647#M5921 <P>If standard measures (restarting, factory resetting, etc.) doesn't work, I guess you'll need real support. Create a support ticket with HPE...</P> Wed, 06 Dec 2017 15:33:07 GMT https://community.hpe.com/t5/m-and-msm-series/msm765-controller-authentication-tunnel-failure/m-p/6990647#M5921 Ascendor 2017-12-06T15:33:07Z