Symptom

We are observing a trend for ISE and MS Intune MDM Integration where connection is successful but keep giving the (FALSE) alarms about connection timeout. See the error below; ISE ALARM: ++++++++++ External MDM Server Connection Failure critical External MDM Server Connection Failure. : Reason is Failed to connect to MDM Server Azure_ 18-AUG-20 08.00.22.570889 PM +00:00 Intune_MDM : 401 Unauthorized ServerType = MobileDeviceManager ise-psc.log: ++++++++ 2020-08-18 00:02:00,307 INFO [Thread-23532][] cisco.cpm.mdm.util.MdmRESTClient -::::- GET: MDM Server URL: https://IntuneFQDN/StatelessNACService/ciscoise/mdminfo/?ise_api_version=2 2020-08-18 00:02:00,596 ERROR [Thread-23532][] cisco.cpm.mdm.util.MdmRESTClient -::::- Error message while connecting to MDM server : Failed to connect to MDM Server Azure_Intune_MDM : 401 Unauthorized 2020-08-18 00:02:00,597 ERROR [Thread-23532][] cisco.cpm.mdm.apiimpl.MDMVerifyServer -::::- Exception occurred while connecting to the MDM server Connection Failed: 401:Unauthorized: the MDM server is not reachable 2020-08-18 00:02:00,597 ERROR [Thread-23532][] cisco.cpm.mdm.api.MdmClient -::::- Connection Failed: 401:Unauthorized: the MDM server is not reachable 2020-08-18 00:02:00,597 ERROR [Thread-23532][] cisco.cpm.mdm.scheduler.MDMHeartbeat -::::- Exception occurred in MDM Heartbeat - thrown from MDMVerifyServer connect() method - Connection Failed: 401:Unauthorized: the MDM server is not reachable 2020-08-18 00:02:00,597 ERROR [Thread-23532][] cisco.cpm.mdm.scheduler.MDMHeartbeat -::::- error occurred scheduling heartbeat job for mdm server name : Azure_Intune_MDM

Conditions

Workaround

NA

Further Problem Description

503 alarms can also be observed