FRF-00007 unable to open RFC connection

Hi

Im installing ECC 6.0 IDES, during my installation im stopped here poping up an error it says

TEST LOGON SAP SYSTEM <sid> FAILED.

SOLUTION: Make sure that the system is started, that the uder DDIC exists and that password of user DDIC is correct

i have checked the SAP its running good showing green color. i have upgraded the KERNAL to patch 185 but still its the same. and im not able to logon to SAP. i FRF-00007 unable to open RFC connection..... plz provide me a solution im in crisis.

SAPINST.log

NFO 2009-01-24 19:24:39.296

Copied file 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/statistic.xml' to 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/statistic.111.xml'.

INFO 2009-01-24 19:24:41.984

Copied file 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/statistic.xml' to 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/statistic.112.xml'.

WARNING 2009-01-24 19:25:23.437

Unable to get information about path
LABEL.ASC\ using GetVolumeInformation. Operating system error message: The filename, directory name, or volume label syntax is incorrect.

INFO 2009-01-24 19:25:28.203

Copied file 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/inifile.xml' to 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/inifile.38.xml'.

INFO 2009-01-24 19:25:28.593

Execute step

Component W2K_ServicePack_Check|ind|ind|ind|ind

Preprocess of component |NW_Onehost|ind|ind|ind|ind|0|0|NW_First_Steps|ind|ind|ind|ind|1|0|W2K_ServicePack_Check|ind|ind|ind|ind|2|0

INFO 2009-01-24 19:25:58.375

Copied file 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/keydb.xml' to 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/keydb.38.xml'.

INFO 2009-01-24 19:25:58.906

Copied file 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/statistic.xml' to 'C:/Program Files/sapinst_instdir/ERP/SYSTEM/ORA/CENTRAL/AS/statistic.113.xml'.

INFO 2009-01-24 19:25:59.109

Execute step checkDDIC000Password of component |NW_Onehost|ind|ind|ind|ind|0|0|NW_Onehost_System|ind|ind|ind|ind|2|0|NW_CI_Instance|ind|ind|ind|ind|11|0|NW_CI_Instance_ABAP_Reports|ind|ind|ind|ind|2|0|NW_DDIC_Password|ind|ind|ind|ind|0|0

INFO 2009-01-24 19:25:59.437

Removed environment variable SAPPARAM700 from current process environment.

INFO 2009-01-24 19:26:00.218

RFC parameter CLIENT set to value 000.

INFO 2009-01-24 19:26:00.218

RFC parameter USER set to value DDIC.

INFO 2009-01-24 19:26:00.218

RFC parameter LCHECK set to value 1.

INFO 2009-01-24 19:26:00.218

RFC parameter PCS set to value 1.

INFO 2009-01-24 19:26:00.218

RFC parameter LANG set to value EN.

INFO 2009-01-24 19:26:00.218

RFC parameter ASHOST set to value sapides-dc.

INFO 2009-01-24 19:26:00.218

RFC parameter SYSNR set to value 00.

INFO 2009-01-24 19:26:00.218

RFC connection information checked successfully.

WARNING[E] 2009-01-24 19:26:00.390

FRF-00007 Unable to open RFC connection.

INFO 2009-01-24 19:26:00.437

RFC parameter CLIENT set to value 000.

INFO 2009-01-24 19:26:00.437

RFC parameter USER set to value DDIC.

INFO 2009-01-24 19:26:00.437

RFC parameter LCHECK set to value 1.

INFO 2009-01-24 19:26:00.437

RFC parameter PCS set to value 1.

INFO 2009-01-24 19:26:00.437

RFC parameter LANG set to value EN.

INFO 2009-01-24 19:26:00.437

RFC parameter ASHOST set to value sapides-dc.

INFO 2009-01-24 19:26:00.437

RFC parameter SYSNR set to value 00.

INFO 2009-01-24 19:26:00.437

RFC connection information checked successfully.

WARNING[E] 2009-01-24 19:26:01.500

FRF-00007 Unable to open RFC connection.

thnk u well in advance....

Shashank