The RMAN remote connection type is incorrect.

RMAN remote connection type error when using a client to connect to the server, the following error occurs: C: \ Users \ Administrator \ Desktop \ v> rman recovery manager: release 11.2.0.3.0-Production on Wednesday August 28 16:38:34 2013 Copyright (c) 1982,201 1, Oracle and/or its affiliates. all rights reserved. RMAN> connect target sys/000000 @ GT11G105 RMAN-00571: ========================================================== ============================== RMAN-00569: ================= error message stack follows ============== ==== RMAN-00571: ========================================================== ============================== ORA-12520: TNS: The Listener cannot find the available handler RMAN> EXIT recovery manager for the requested server type. C: \ Users \ Administrator \ Desktop \ v> TNSPING GT11G105 TNS Ping Utility for 64-bit Windows: Version 11.2.0.3.0-Production on 2013 16:39:16 Copyright (c) 1997,201 1, oracle. all rights reserved. used parameter file: c: \ u01 \ oracle \ product \ 11.2.0 \ dbhome_1 \ network \ admin \ sqlnet. ora has used the TNSNAMES adapter to parse the alias and try to connect (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.56.105) (PORT = 1521) (CONNECT_DATA = (SERVER = SHARED) (SERVICE_NAME = GT11G) OK (10 ms) the reason is that RMAN needs to use DEDICATED, that is, the DEDICATED server type to connect, instead of using the MTS shared connection. After modification, the connection can be normal: c: \ Users \ Administrator \ Desktop \ v> TNSPING GT11G105 TNS Ping Utility for 64-bit Windows: Version 11.2.0.3.0-Production on 2013 16:39:26 Copyright (c) 1997,201 1, oracle. all rights reserved. used parameter file: c: \ u01 \ oracle \ product \ 11.2.0 \ dbhome_1 \ network \ admin \ sqlnet. ora has used the TNSNAMES adapter to parse the alias and try to connect (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.56.105) (PORT = 1521) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = GT11G) OK (0 ms) C: \ Users \ Administrator \ Desktop \ v> rman recovery Manager: Release 11.2.0.3.0-Production on Wednesday August 28 16:39:28 2013 Copyright (c) 1982,201 1, Oracle and/or its affiliates. all rights reserved. RMAN> connect target sys/000000 @ GT11G105 connected to the TARGET database: GT11G (DBID = 2374906317) RMAN>-EOF-