Portal Export using SAPInst.exe error

Hi,

I have executed an export of our portal system (EP6) using sapinst.  Im getting this error regarding user id and password (see below).  The export process did not ask me for any user-id or password.  Where should I set this?

ERROR 2009-02-20 10:12:44

MUT-03011  Execution of the command "D:\java\j2sdk1.4.2_07/bin/java.exe '-classpath' 'C:/DOCUME_1/TEMPNS1.036/LOCALS~1/Temp/2/sapinst_exe.3868.1235085056/JAR/ins-j2ee.jar' 'com.sap.ins.j2ee.UrlReader' 'XXXXXX' 'XXXXXX' 'XXXXXX'" finished with return code 2. Output: com.sap.ins.j2ee.UrlReader: Error connecting to http://SAPPRDP:50000/sap/monitoring/SystemInfoServlet. The provided user data might be incorrect or user might be locked.java.net.ProtocolException: Server redirected too many  times (20)     at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:809)     at com.sap.ins.j2ee.UrlReader._doConnect(UrlReader.java:79)     at com.sap.ins.j2ee.UrlReader.<init>(UrlReader.java:70)     at com.sap.ins.j2ee.UrlReader.main(UrlReader.java:110)

thanks,

kbas