AP not joining the new WLC

Hi,
I have an existing setup where in i have a 4400 WLC and AP 1242 registered to it.
I had to replace the WLC with a new 5500 WLC. I tried registering the the 1242 AP with this new controller but i'm getting the following error message:
AP0026.0b4d.093a#
*Apr 25 07:51:59.216: %DTLS-5-SEND_ALERT: Send FATAL : Close notify Alert to 10.7.51.11:5246
Translating "CISCO-LWAPP-CONTROLLER"...domain server (255.255.255.255)
Translating "CISCO-CAPWAP-CONTROLLER"...domain server (255.255.255.255)
*Apr 25 07:52:13.735: %CAPWAP-3-ERRORLOG: Could Not resolve CISCO-LWAPP-CONTROLLER
AP0026.0b4d.093a#
Translating "CISCO-LWAPP-CONTROLLER"...domain server (255.255.255.255)
*Apr 25 07:52:22.736: %CAPWAP-3-ERRORLOG: Could Not resolve CISCO-CAPWAP-CONTROLLER
*Apr 25 07:52:22.736: %CAPWAP-3-ERRORLOG: Dropping dtls packet since session is not established.
*Apr 25 07:52:22.794: %WIDS-6-DISABLED: IDS Signature is removed and disabled.
*Apr 25 07:52:22.795: %CAPWAP-5-CHANGED: CAPWAP changed state to DISCOVERY
*Apr 25 07:52:22.796: %CAPWAP-5-CHANGED: CAPWAP changed state to DISCOVERY
*Apr 25 07:52:22.863: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to administratively down
*Apr 25 07:52:22.863: %LINK-5-CHANGED: Interface Dot11Radio1, changed state to administratively down
*Apr 25 07:52:22.885: %LINK-3-UPDOWN: Interface Dot11Radio0, changed state to up
*Apr 25 07:52:22.885: %LINK-3-UPDOWN: Interface Dot11Radio1, changed state to up
*Apr 25 07:52:22.886: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to reset
*Apr 25 07:52:22.918: %LINK-3-UPDOWN: Interface Dot11Radio0, changed state to up
*Apr 25 07:52:22.918: %LINK-5-CHANGED: Interface Dot11Radio1, changed state to reset
*Apr 25 07:52:22.946: %LINK-3-UPDOWN: Interface Dot11Radio1, changed state to up
*Apr 25 07:52:22.947: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to reset
Translating "CISCO-CAPWAP-CONTROLLER"...domain server (255.255.255.255)
*Apr 25 07:52:31.885: %CAPWAP-3-ERRORLOG: Could Not resolve CISCO-LWAPP-CONTROLLER
*Apr 25 07:52:40.886: %CAPWAP-3-ERRORLOG: Could Not resolve CISCO-CAPWAP-CONTROLLER
*Apr 25 07:52:40.888:  status of voice_diag_test from WLC is false
*Apr 25 07:52:40.889: %CAPWAP-3-ERRORLOG: Could not send primary discoveryrequest. The CAPWAP state has not moved to RUN yet
*Apr 25 07:52:40.890: %CAPWAP-3-ERRORLOG: Could not send primary discoveryrequest. The CAPWAP state has not moved to RUN yet
*Apr 25 07:52:40.900: %LWAPP-3-CLIENTERRORLOG: Primary Discovery Reply: received primary discovery reply when connected to a Primary/Secondary/Tertiary controller
*Apr 25 07:52:50.887: %CAPWAP-3-ERRORLOG: Selected MWAR 'L&T-WLC-Powai'(index 0).
*Apr 25 07:52:50.887: %CAPWAP-3-ERRORLOG: Go join a capwap controller 
*Apr 25 13:23:03.000: %CAPWAP-5-DTLSREQSEND: DTLS connection request sent peer_ip: 172.16.5.3 peer_port: 5246
*Apr 25 13:23:03.001: %CAPWAP-5-CHANGED: CAPWAP changed state to  
*Apr 25 13:23:04.717: %CAPWAP-5-DTLSREQSUCC: DTLS connection created sucessfully peer_ip: 172.16.5.3 peer_port: 5246
*Apr 25 13:23:04.718: %CAPWAP-5-SENDJOIN: sending Join Request to 172.16.5.3
*Apr 25 13:23:04.718: %CAPWAP-5-CHANGED: CAPWAP changed state to JOIN
*Apr 25 13:23:04.719: %DTLS-5-ALERT: Received WARNING : Close notify alert from 172.16.5.3
*Apr 25 13:23:04.719: %DTLS-5-PEER_DISCONNECT: Peer 172.16.5.3 has closed connection.
*Apr 25 13:23:04.720: %DTLS-5-SEND_ALERT: Send FATAL : Close notify Alert to 172.16.5.3:5246
*Apr 25 13:23:04.721: %CAPWAP-3-ERRORLOG: Go join a capwap controller 
*Apr 25 07:52:41.000: %CAPWAP-5-DTLSREQSEND: DTLS connection request sent peer_ip: 10.7.51.11 peer_port: 5246
*Apr 25 07:52:41.001: %CAPWAP-5-CHANGED: CAPWAP changed state to  
*Apr 25 07:52:42.449: %CAPWAP-5-DTLSREQSUCC: DTLS connection created sucessfully peer_ip: 10.7.51.11 peer_port: 5246
*Apr 25 07:52:42.450: %CAPWAP-5-SENDJOIN: sending Join Request to 10.7.51.11
*Apr 25 07:52:42.450: %CAPWAP-5-CHANGED: CAPWAP changed state to JOIN
*Apr 25 07:52:42.647: %CAPWAP-5-CHANGED: CAPWAP changed state to CFG
*Apr 25 07:52:42.794: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to reset
*Apr 25 07:52:42.807: %CAPWAP-5-CHANGED: CAPWAP changed state to UP
*Apr 25 07:52:42.808: %LINK-3-UPDOWN: Interface Dot11Radio0, changed state to up
*Apr 25 07:52:42.879: %CAPWAP-5-JOINEDCONTROLLER: AP has joined controller WLC1-T
*Apr 25 07:52:42.940: %LWAPP-3-CLIENTEVENTLOG: SSID LTHE-Mobile added to the slot[0]
Writing out the event log to nvram...
The AP is getting a close message from the new controller. What could the issue be?

After the AP gets a close message from the new WLC, it gets re associated to the old WLC.

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