Migration of Oracle 32-bit to 64-bit

Hi,
We have windows host x64 bit. Oracle is 10g 32 bit and we want to migrate it to 10g 64 bit.
1. We have installed the 64bit oracle software.
2. Then we uninstalled the 32bit software. With the uninstallation, the oracle services have also disappeared.
Now, there are no Oracle services seen under My Computer - Manage - Services, how to create the new Oracle services??
Please help.
Many thanks,
Mohan.

Hello Markus,
Thank you for your reply. We have managed to re-create the Oracle Services in other way as mentioned below. May be useful for other users:
1. Stop the DB, stop listener, stop other oracle processes.
2. Install the new DB software in a different home + Patch
3. Only after that, delete the old software.
4. Set the Environment variables $ORACLE_HOME and $PATH
(Nicht alle Variablen waren sauber gesetzt)
5. copy the files present under $ORACLE_HOME/database from old DB to new DB.
6. Create the Listener - Service with $ORACLE_HOME/bin/netca
7. Create the SID - Service with oradim ($ORACLE_HOME/bin)
oradim -NEW -SID FFF -STARTMODE auto -SRVCSTART system
8. start the database using sqlplus.
9. As the wordsize changes with 64-bit, all pl-sql-predures should be recompiled.
Therefore please run the following two scipts on db-level:
sqlplus sys as sysdba
sql> @$ORACLE_HOME/rdbms/admin/utlip.sql -invalidates all plsql-procedures
sql> @$ORACLE_HOME/rdbms/admin/utlrp.sql -recreates the plsql-procedures with the new word size.
10. Offline - Backup with brbackup.
Many thanks,
Mohan.

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Migration of Oracle 32-bit to 64-bit on same Windows host.

Hi,
Title: Migration of Oracle 32-bit to 64-bit on same Windows host.
We have windows host x64 bit. Oracle is 10g 32 bit and we want to migrate it to 10g 64 bit. I would like to know the steps. Note 940811 is not clear enough.
Please help.
Many thanks,
Mohan.

Hi,
I think SAP Note 940811 is not relevant to your case as far as I understand your case in your previous thread because you are already on oracle 10.2 and there is no upgrade required.
Please check SAP note 192822 and please check below extract from this note:
      5. Can I switch to 64-bit, even though I already run the same oracle release on 32-bit?
      Yes. The only thing that needs to be done is
run del_ora.csh to delete the 32-bit software
install the 64-bit software
start the database.
As the wordsize changes with 64-bit, all pl-sql-predures should be recompiled.
      Therefore please run the following two scipts on db-level:
      @$ORACLE_HOME/rdbms/admin/utlip.sql -invalidates all plsql-procedures
      @$ORACLE_HOME/rdbms/admin/utlrp.sql -recreates the plsql-procedures with the new word size
Thanks
Sunny

Migration from Oracle 32-bit to 64-bit on Windows

Hi,
Currently we have Oracle 32bit 10.2.0.2 on Windows 64-bit.
We want to convert oracle to 10.2.0.2 64 Bits on the same machine.
The procedure is quite simple but if we want to keep the same Oracle home it become complicated.
The Oracle 32 bit is installed on /oracle/SID/102 if we want to keep the home directory after the migration we have to install the oracle 64-bit software on /oracle/SID/102.
1. Can we install 64-bit binaries over 32-bit binaries on the same directory.
2. Do we have to deinstall first 32-bit binaries
3. Can we simply empty the /oracle/SID/102 and install 64-bit binaries and start the DB and run the conversion script ?
Thank you for you help.
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Hello Stefan.
Thank you for your quick reponse.
Note 392800 describe how to de-install old oracle version after the complete installation of the new software which will be not our case because we want to de-install the oracle software before installing the 64-bit.
Normally the steps will be as follow
1. Use OUI to deinstall Oracle 32-bit
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3. Open the DB and run the conversion script
Is this procedure described in an SAP note ot at least supported by SAP ?
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Edited by: user6367891 on Mar 2, 2010 5:28 AM

It looks good.
I have one question in below steps:
To migrate an Oracle9i or older database to an Oracle Database 10g Release 1 (10.1) database for 64-bit Windows:
1 Perform steps 1 - 11 in "Migrating an Oracle Database 10g Release 1 (10.1) Database".
2 Shut down the database on the 64-bit computer:
SQL> SHUTDOWN IMMEDIATE;
3 Start the database migration:
SQL> STARTUP MIGRATE;
4 Migrate the database as described in Chapter 3, "Upgrading a Database to the New Oracle Database 10g Release" in Oracle Database Upgrade Guide.
In step 4, it says, migrate database as described in chapter 3. In chapter 3, it says, to do the upgrade the process using dbca or manually. Pls confirm whether do the upgrade process after issuing startup migrate or not.
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Hi,
We are planing to Migrate our Oracle 9.2.0.6 version database from Windows(32 bit) to Oracle 10.2.0.1 version database on Linux(64 bit). Can I directly do the Migration using export/import? or What is the procedure to do this?
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We are working on oracle 8.1 on 32 bit on solaris 64bit operating system. We are working on SAP R/3 4.6C.
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If anyone can help me with some documentation, it would be helpful. Please send to my mail id [email protected]
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Thanks,
Sailesh K

Dear ,
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7) sqlplus internal or sys
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Migration from Windows 32 bit to 64 bit Customized reports PDF output issue

Hi Gurus,
Product Version: 12.1.1
Operating System: Linux x86-64
Database Version: 11.1.0.7
We have migrated from Windows 32 bit to Linux 64 bit, our PDF reports shows some Greek Charters
vi /opt/oracle/apps/tech_st/10.1.2/bin/reports.sh
NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1; export NLS_LANG
SELECT * FROM NLS_DATABASE_PARAMETERS
NLS_CHARACTERSET=AR8MSWIN1256
Regards,

Mean the result of query SELECT * FROM NLS_DATABASE_PARAMETERS
NLS_CHARACTERSET=AR8MSWIN1256
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Does extproc for Oracle 64-bit 11.1.0.7 on Win 2003 64-bit load 32 bit DLL?

Hello
Background:
We had Oracle 11.1.0.7.0 32-bit EE on Windows 2003 32-bit EE and now migrated to 64-bit (both OS and DB) and everything worked brilliantly ok except...
Problem:
We used to be able to connect to an external application (Postcode Plus from AFD) via extproc to search postcodes / addresses etc. However, after the migration getting the error:
ORA-06520: PL/SQL: Error loading external library
ORA-06522: Unable to load DLL
The listener.ora and tnsnames.ora configuration as exactly same as what we had on 32-bit machine (except the host name).
For convenience, I've attached both here:
listener.ora (on 32-bit machine):
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\Oracle\product\11.1.0\db_1)
(PROGRAM = extproc)
(ENVS="EXTPROC_DLLS=C:\Oracle\product\11.1.0\db_1\LIB\pcpOracle.dll:C:\Oracle\product\11.1.0\db_1\LIB\afdutl32.dll")
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = C:\Oracle\product\11.1.0\db_1)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.30.241)(PORT = 1521))
tnsnames.ora (on 32-bit machine):
MYDB32 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.30.241)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = MYDB32)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
listener.ora (on 64-bit machine):
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.30.247)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\Oracle\product\11.1.0\db_1)
(PROGRAM = extproc)
(ENVS="EXTPROC_DLLS=C:\Oracle\product\11.1.0\db_1\LIB\pcpOracle.dll:C:\Oracle\product\11.1.0\db_1\LIB\afdutl32.dll")
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = C:\Oracle\product\11.1.0\db_1)
(PROGRAM = extproc)
tnsnames.ora (on 64-bit machine):
MYDB64 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.30.247)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = MYDB64)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
Questions:
1. Does extproc for Oracle 64-bit 11.1.0.7 on Win 2003 64-bit load 32 bit DLL?
2. When searched got a quite of lot link about extproc32 (for all versions of UNIX), but not for Windows and found this link Extproc32 installation Does that mean it is not possible to load 32-bit DLL on 64-bit Windows installation?
3. Is there any workarounds? Or am I stumped so I should now go back and reinstate the 32-bit installation?
Any input / recommendation is appreciated!!
Regards
Kannan

Does that mean it is not possible to load 32-bit DLL on 64-bit Windows installation?Yes,it's not possible,refer to MOS/metalink:
Is It Possible To Call 32Bit Libraries Using External Procedure Agent Extproc On Windows 64Bit ? [ID 372512.1]
Werner

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I had gone through the Metalink Note[471566.1] which you had sent me. It was useful but internally it had referred to another Note:762669.1 which says in Migrate from Linux 32-bit to Linux 64-bit
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thanks

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Hi,
I am facing the problem with connection SQL(64 bit) to Oracle(32 bit).
Please give me the solution/guide in right direction.
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S2----->.AppServer :32 bit Windows Server 2003 Enterprise Edition, IIS, 32 Bit Oracle 10g Client & Server DB
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[email protected]

Fabio D'Alfonso wrote:
Hi,
I was setting up VMware vCenter 4.1 (probably the only well known and largely used product with this lethal mix) and needed to setup an ODBC access to Oracle on the 32 bit side of Windows to setup the Update Manager server component, which is still a 32 bit application)
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Could suggest a way to get this working?
Thanks
Fabio D'AlfonsoWhen you install the Oracle client software on Windows (which is necessary to support ODBC, as the Oracle ODBC driver sits on top of the native client software) the ODBC driver is NOT installed by default. You have to go back and do a "custom" install and select the "Windows components".

Oracle 32 bit client to connect to a 64 bit database

Hello Folks,
My problems start with installing Informatica and Oracle in my 64 bit machine, both are 64 bit software.
When I open Informatica to connect to Oracle, it opens with a 32 bit ODBC connector.
So, essentially I want to connect to a 64 bit database.
I was told it is possible using a 32 bit Oracle client.
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Hi,
configure tnsnames.ora at client side....
example: oracle 11g client 32bit
go to oracle home where you have installed oracle 32 bit clinet and then /network/admin directory and then create tnsnames.ora file...
ex:
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(CONNECT_DATA =
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(SERVICE_NAME = prod1)
and then configure sqlnet.ora file as well
create sqlnet.ora file at clinet side
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ex: your prod database name prod1
tnsping prod1
go to cmd prompt type below
sqlplus usename/pwd@servicenamethanks,
DBC.

Migration of Oracle 32-bit to 64-bit

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