1822601 - Device registration in SCC doesn't work and stays with "Pending activation" - SUP

Device does not get connected in SCC and has the status "Pending Activation" with SUP 2.1.3 and RS 12.0.1.

Error messages:

Relay Server log
RSE3003: Redundant outbound enabler connection for backend server 'Relayserver01' in backend farm 'test.RBSFarm' was ignored

RSOE (Relay Server Outbound Enabler) log
1 -
I. 2013-02-07 16:58:56. <UpChannel-0000> Headers: HTTP/1.1 200 OK
Successfully connected to relay server: Relayserver01.r100.de.fts:80

2 -
E. 2013-02-07 16:58:56. <UpChannel-0000> Fehler: Authentifizierungsfehler mit dem Relay Server, Farm-ID oder Backendserver-ID sind vielleicht ungültig
E. 2013-02-07 16:58:56. <UpChannel-0000> Antwort vom Relay Server konnte nicht gelesen werden. Verbindung vom Server geschlossen!

Translation:
E. 2013-02-07 16:58:56. <UpChannel-0000> Error: Authentication error with Relay Server, Farm-ID or Backendserver-ID maybe not valid
E. 2013-02-07 16:58:56. <UpChannel-0000> Reply from Relay Server could not be read. Connection closed by server.

3 -
I. 2013-02-07 16:58:56. <UpChannel-0000> packet read..
I. 2013-02-07 16:58:56. <UpChannel-0000> successful packet read.. processing it..
I. 2013-02-07 16:58:56. <UpChannel-0000> packet:
I. 2013-02-07 16:58:56. <UpChannel-0000> 0000: 02 00 01 F0

• SUP (Sybase Unwired Platform) 2.1.3
• Relay Server 12.0.1.3519
• RSOE (Relay Server Outbound Enabler) 12.0.1.3519

Activation, RelayServer, pending, rsoe, Antivirus, livescan, optimization, WAN , KBA , MOB-SUP-RT , SUP Runtime , Problem