RFC Error in Installation of 4.0B COM at 96%

Hi,

While installing 4.0B COM system, at 96%, I recd the following error, I tried several times but getting the same problem again and again at 96%.

Info: RFCRADDBDIF_IND_IND CRfcOpen

RfcOpen() was successful.

Warning: RFCRADDBDIF_IND_IND CRfcPing

Pinging of RFC destination failed.

Error: RFCRADDBDIF_IND_IND CRfcPing

pinging of RFC destination failed.

Error: RFCRADDBDIF_IND_IND InstallationDo

Phase failed.

Error: Main {}

Installation aborted.

Thanks,

Amit