Today i got a call from one of my good friend who was trying to install Oracle 11g on Windows 7 platform (And was very furious about — Why oracle website don’t have version 10g available anymore, after the release of latest 12c … 🙂 … ) and was getting errors during pre checks during OUI calls.

Exact Error:
On  Step 7 of 10,

All Prerequisite Checks fail.

Physical Memory                        Failed
Available Physical Memory         Failed
Swap Size                                  Failed
Free Space                                 Failed
Architecture                                Failed
Environment variable PATH        Failed

Clicking on the more details link, shows:
– PRVF-7531 : Physical memory check cannot be performed on node “machine-name”
– Cause: Could not perform check of physical memory on the node indicated.
– Action: Ensure ability to access the node specified and view memory information.

With many errors related to Physical/Swap Size, initially i thought that i could be due to insufficient memory on the system, But he has 4GB of RAM available.
Next i asked if he is trying to install the software on any Admin controlled machine, and my guess was right – He was.

So, all of these errors left us bewildered and with very less details available. Ultimately, MOS came to rescue.
Found one of the Metalink note for his issue — Doc ID 1086063.1

Cause
The Workstation or Server services have not been started.

Solution
Make sure both the “WORKSTATION” and “SERVER” services are started.
Rerun the setup program.
Now all the Prerequisite Checks Succeed.

– The Workstation or Server services need to be started for Oracle to communicate with the machine, to make sure all the prerequisite checks are performed.
– It has been reported, the TCP/IP NetBIOS Helper service should also be started, to pass the Pre-Req checks.

Found SERVER service disabled on his machine and is the reason which is obstructing the pre checks to complete.

Error:
EXP-00008: ORACLE error 904 encountered
ORA-00904: “POLTYP”: invalid identifier

When:  During EXPORT operations.
This Scenario: During export of rman recovery catalog (Production).

$ exp rman/xxxxxx@rxxxxxx FILE=catalogexport.dmp OWNER=rman

Export: Release 11.2.0.3.0 – Production on Sun Oct 6 10:50:22 2013
Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 – 64bit Production
With the Partitioning, OLAP and Data Mining options
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses AL32UTF8 character set (possible charset conversion)
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user RMAN
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user RMAN
About to export RMAN’s objects …
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
. about to export RMAN’s tables via Conventional Path …
EXP-00008: ORACLE error 904 encountered
ORA-00904: “POLTYP”: invalid identifier
EXP-00000: Export terminated unsuccessfully

This error occurs if you try the old export command from an 11g client against a database on version 10g or lower. The export command runs a query against a table called EXU9RLS in the SYS schema. On 11g this table was expanded with the column POLTYP and the export command (exp) expects to find this column. This should not be much of a problem since Data Pump export can be used.

SQL> desc EXU9RLS
Name                                                                                                  Null?    Type
—————————————————————————————————– ——– ——————————————————————–
OBJOWN                                                                                                NOT NULL VARCHAR2(30)
OBJNAM                                                                                                NOT NULL VARCHAR2(30)
POLGRP                                                                                                NOT NULL VARCHAR2(30)
POLICY                                                                                                NOT NULL VARCHAR2(30)
POLOWN                                                                                                NOT NULL VARCHAR2(30)
POLSCH                                                                                                         VARCHAR2(30)
POLFUN                                                                                                NOT NULL VARCHAR2(30)
STMT                                                                                                           VARCHAR2(34)
CHKOPT                                                                                                NOT NULL NUMBER
ENABLED                                                                                               NOT NULL NUMBER
SPOLICY                                                                                                        NUMBER
 POLTYP                                                                                                         VARCHAR2(33)

Resolution:
Since there was no code added in export to extract the RLS policy type, the fix for Bug 7568350 introduces a new column POLTYP in EXU9RLS view that is associated with the RLS policy type.

Fixed: Patch 7568350
Link:
https://support.oracle.com/epmos/faces/ui/patch/PatchDetail.jspx?_afrLoop=15303088597334&patchId=7568350&_afrWindowMode=0&_adf.ctrl-state=x42u0k77b_206

Doc ID: Doc ID 784038.1