SAP R/3 4.6 C to ECC 6.0 Upgrade using CU &UC method- Unicode conversion
Basis Gurus
I am working on upgrade from R/3 4.6C to ECC 6.0.
ECC 6.0 upgrade completed( still in non Unicode). Now I am in the process of Unicode conversion.
I have used following methods for the upgrade.
1. Combined Upgrade & Unicode conversion(CU & UC)
2. Resource minimized( as I am doing it in Sandbox).
As I understand I need to perform the DB export and Import now for the unicode conversion.
According to the Upgrade document, First I need to run Export using R3load in ECC6.0(Non unicode)
and then install Unicode system and import the same data file.
My understanding was, when I choose, Resource minimized, I need to run Export and import
in the same system.
Can you please help me , whether I need another Unicode system for import ??
Graham
Hi,
Dont get confused with upg strategy and unicode conversion.
In general Upgrade strategy (either downtime-minimized/resource minimized)
In unicode conversion you have export/import(exp/imp) of data concept
In CU&UC approach you have to do in a streach to complete migrate from old release to new realease ECC 6.00.
Using database independent (sapinst only) or Using database dependent (migration monitor or Distribution monitor)
It can be done in 2 ways.
If you dont have addtional server for unicode conversion
1)you can either do exp on same hardware and take bakup and do import using the exp dump.
2)Do exp on one server and prepare your target empty database on another server and complete imp of data.
Hope this is clear.
Regards,
Vamshi.
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b) Do I need an Complete Target hardware other than the Mock hardware. What i mean here is
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or
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If you can help me in understanding the Advantages & Disadvantages of Two sever method and Having a Parallel landscape for Unicode , would be helpful
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What is advantage and disadvantage/Risk in the above two approaches -
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Hi All,
We are in a process of combined upgrade & Unicode coversion. Our source release is 4.6C and we are going for "SAP NetWeaver 7.0 Application Server ABAP including SAP Enhancement Package 01 ". As per CU&UC guide in "Component-specific Requirements" there is SAP office related requirement.
I have gone through sap note 691407, 690074 and I understand that from the release 4.6C SAP will not loger enhance it as some of the components are not unicode enable.
I query is
1) How to find out whether we are productively using SAP offce in our system and which of these components wil not be available after unicode conversion.
2) What exactly will happen after unicode conversion to these fuctionalities.
Please reply.
RegardsHi Nikhil,
I do not think you will find a detailed list of functionality which works.
As far as I remember, the 'deprecation status' of sophisticated SAP Office functions (e.g. SAPMAPI) is more than 8 years old ...
Therefore I do not see another option than testing your scenarios and find out which functionality still works (this might be also caused by the upgrade, not only Unicode).
Best regards,
Nils Buerckel
SAP AG -
SAP Support for Classic G/L in ECC 6.0 and above
Hello,
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4. Any indication or official SAP note, that for how long SAP intends to support the legacy G/L in the upcoming ECC versions. It is necessary to know in case the customer currently opts for still continuing with the classic G/L in ECC 6.0 , but we have a lurking danger that SAP would stop the support and availability of legacy classic G/L in the near future. So to a have a long term sustainable benefit, we might deliberate with the customer to take a bitter sip now , and move on to the new G/L with all its bells/whistles and the nuisances it might bring in terms of historical transaction data unavailability.
I hope i was able to make my scenario clearly understandable for having some valuable input from the forum members.
Thanks a lot for reading and replying.Hi Syed,
From Technical basis perspective there is not much work in newGL migration apart from application and database tuning.
Time taken for migrating to newGL will depend upon number of open items available in the system at the time of migration.
Most of your queries are functional and suggestion would be to move this thread to ERP Financials.
For your information you may go through below links
http://help.sap.com/saphelp_erp60_sp/helpdata/en/ae/b3569044974c6985c4e711e20435d6/content.htm
http://wiki.scn.sap.com/wiki/display/ERPFI/NewGL+Migration+Scenarios
Hope this helps.
Regards,
Deepak Kori -
Licensing cost: For SAP R/3 4.7 to ECC 6.0 Upgrade
Hello,
I am planning to upgrade my SAP R/3 4.7 System to ECC 6.0.
I would like to know whether any additional Licensing cost is involved for this SAP software upgrade.
Also, I have three system landscape. Can you give me some pointers to SAP Upgrade Roadmap and Upgrade strategies for 3 system landscape upgrade?
Thanks.
-Nirav.Hi Nirav,
the maintenace cost will be the same as before.
the maintanance cost include the possibility
that if you pay the maintenace fee regularly you can always get the
newest software releadse and the support packages and kernel for it.
please also look at this link.
http://service.sap.com/maintenance
Kind regards
Imre Takácsi-Nagy
Senior Support Consultant II.
SAP Global Support Center Austria
Netweaver WEB Application Server ABAP / JAVA -
Sap Archiving u0096 STO error on version ECC 6.0
Hi experts. I take a long of time with this error and I hope that you can help me. Explain the program.
We have a archiving project of no standard objects. This objects run on Sap version 4.6C, but now, on version ECC 6.0, the Store program give a execution error. The log of the STO Job on Sara transaction is the follow:
Job started
Step 001 started (program RSARCH_STORE_FILE, variant , user ID ARUIZ)
Archive file 000241-001ZIECI_RF02 is being processed
Archive file 000241-001ZIECI_RF02 does not exist (Message no. BA111)
Error occured when checking the stored archive file 000241-001ZIECI_RF02 (Message no. BA194)
Job cancelled after system exception ERROR_MESSAGE (Message no. 00564)
The Write and Delete programs runs correctly.
A strandar Archiving Object like FI_TCJ_DOC runs Ok (WRI, DEL and STO programs). The customazing for both objects are nearly on OAC0, FILE transactions. The changes are on Sap Directories. Write for you the most important customazing actions:
Transaction: FILE
ZIECI_RF02 (No Standard)
Logical File Path --> ZZA_ARCHIVE_GLOBAL_PATH
Physical Path --> /usr/sap/CX6/ADK/files/ZA/<FILENAME>
Logical File Name Definition -->
ZZA_ARCHIVE_DATA_FILE_ZIECI_RF02
FI_TCJ_DOC (Standard)
Logical File Path --> ARCHIVE_GLOBAL_PATH
Physical Path --> <P=DIR_GLOBAL>/<FILENAME>
Logical File Name Definition --> ARCHIVE_DATA_FILE
Transaction: AOBJ
Customazing settings:
ZIECI_RF02
Logical File Name --> ZZA_ARCHIVE_DATA_FILE_ZIECI_RF02
FI_TCJ_DOC (Standard)
Logical File Name --> ARCHIVE_DATA_FILE
I prove to put in own archiving object (ZIECI_RF02) the logical file name -> ARCHIVE_DATA_FILE too and the error go on.
In the others parameters the values for both objects are:
Delete Jobs: Start Automatically
Content Repository: ZA (Start Automatically)
Sequence: Delete Before Storing
I see the point of the storing STO program (RSARCH_STORE_FILE) where own archiving failed. I made a program with the function and debbuging this can see the next:
REPORT zarm_06_prueba_http_archivado.
DATA: LENGTH TYPE I,
T_DATA TYPE table of TABL1024.
BREAK ARUIZ.
CALL FUNCTION 'SCMS_HTTP_GET'
EXPORTING
mandt = '100'
crep_id = 'ZA'
doc_id = '47AAF406C02F6C49E1000000805A00A9'
comp_id = 'data'
offset = 0
length = 4096
IMPORTING
length = length
TABLES
data = t_data
EXCEPTIONS
bad_request = 1
unauthorized = 2
not_found = 3
conflict = 4
internal_server_error = 5
error_http = 6
error_url = 7
error_signature = 8
OTHERS = 9.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
If execute the program, SAP returns the next error:
Error in HTTP Access: IF_HTTP_CLIENT -> RECEIVE 1
The sy-subrc variable value is 6 -> error_http
The call of the method is the follow:
call method http_client->receive
exceptions
http_communication_failure = 1
http_invalid_state = 2
others = 3
sy-subrc value is 1 -> http_communication_failure
The unusual of the case are that the Archiving Objects work on SAP 4.6C perfectly,
furthermore on version ECC 6.0 the standard and no standard objects uses Sap Content Server with the same connection (HTTP), IP, PORT and Repository.
I hope that anypeople can help me. A lot of thanks for your time.
Best Regards.Hi Samanjay.
Answer your questions:
1) I proved the archiving from Sara with the Object ZIECI_RF02 with both customazings. The Stored program fail with logical file name = ZZA_ARCHIVE_DATA_FILE_ZIECI_RF02 and logical file name = ARCHIVE_DATA_FILE (Example at answer 2).
2) AL11 Transaction (Sap Directories):
/usr/sap/CX6/ADK/files/ZA/
cx6adm 09.04.2008 18:02:15 ZIECI_RF02_20080409.180215.ARUIZ
This is the Fich from ZIECI_RF02 on AL11. I prove this yesterday. The variable name: 000241-001ZIECI_RF02 is the generate to save the fich on repository ZA. In this case the variable name is: 000342-001ZIECI_RF02. Can view this with the table ADMI_FILES on TA SE11.
Entries on ADMI_FILES with create date = 09.04.2008
DOCUMENT: 342
ARCHIV KEY: 000342-001ZIECI_RF02
CREAT DATE: 09.04.2008
CREAT TIME : 18:18:28
OBJ COUNT: 1
FILENAME: ZIECI_RF02_20080409.18182
STATUS OPT: Not Stored
STATUS FIL: Archiving Completed
PATHINTERN: ZZA_ARCHIVE_GLOBAL_PATH
CREP:
ARCH DOCID:
Now, I put the same information from FI_TCJ_DOC (Standard Object):
AL11 Transaction (Sap Directories):
/usr/sap/CX6/SYS/global
cx6adm 10.04.2008 11:24:15 FI_FI_TCJ_DOC_20080410_112409_0.ARCHIVE
Entries on ADMI_FILES with create date = 10.04.2008
DOCUMENT: 343
ARCHIV KEY: 000343-001FI_TCJ_DOC
CREAT DATE: 10.04.2008
CREAT TIME: 11:24:09
OBJ COUNT: 2
FILENAME: FI_FI_TCJ_DOC_20080410_112409_0.ARCHI
STATUS OPT: Stored
STATUS FIL: Archiving Completed
PATHINTERN: ARCHIVE_GLOBAL_PATH
CREP: ZA
ARCH DOCID: 47FD890364131EABE1000000805A00A9
Finally, made the example with Archiving Object ZIECI_RF02, but assigning the standard logical file.
AOBJ (Customazing settings):
Object Name: ZIECI_RF02 Archivado de datos: Facturas de Baja
Logical File Name: ARCHIVE_DATA_FILE
Now, execute the archiving at SARA transaction.
AL11 Transaction (Sap Directories):
/usr/sap/CX6/SYS/global
cx6adm 10.04.2008 12:33:25 FI_ZIECI_RF02_20080410_123324_0.ARCHIVE
Entries on ADMI_FILES with create date = 10.04.2008
DOCUMENT: 345
ARCHIV KEY: 000345-001ZIECI_RF02
CREAT DATE: 10.04.2008
CREAT TIME: 12:33:24
OBJ COUNT: 1
FILENAME: FI_ZIECI_RF02_20080410_123324_0.ARCHIVE
STATUS OPT: Not Stored
STATUS FIL: Archiving Completed
PATHINTERN: ARCHIVE_GLOBAL_PATH
CREP:
ARCH DOCID:
It´s that the unusual. At first, I thought that´s the problem was the directory of SAP, but with this proof I looked a new error reason.
3) The details of repository ZA are:
Content Rep: ZA
Description: Document Area
Document Area: Data Archiving
Storage type: HTTP Content Server
Version no: 0046 Content Server version 4.6
HTTP server: 128.90.21.59
Port Number: 1090
HTTP Script: ContentServer/ContentServer.dll
Phys. Path: /usr/sap/CX6/SYS/global/
Too much thanks for your answer and your time. If you have any doubt, question me.
Best regards. -
How SAP handles AFS Third Party Orders in ECC system?
Hi All,
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Could anyone please let me know how SAP handles the Third party Orders in ECC AFS system?
Thanks,
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Did u find out any solution for it? bcoz, am also hving the same issue!!
thanq -
Does SAP Interactive Forms by Adobe work with ECC 5.0 ?
Hello,
We are planning to use Webdynpro to develop our OWN forms in our PORTAL EP 7.0 and to get the data from our ECC 5.0 which is ABAP ONLY.
Is this scenario possible ?
Did anyone implement such a solution ?
Do we need to install the J2EE addon to the ECC 5.0 and use the ADS there ?
Please, advise.
Kind regards,
GilHi Gil,
Sorry for the delay.
I'm not able to answer your last question . As i know the connection with the WAS JAVA is done in the instance profile of the SAP System so i think that you have to define it on each client .
Currently i work on the subject where on the same hardware i got 2 different SAP System and each of them have ADS Connexion define and that works fine .
Hope this help you.
PS : Rewards points will be great.
Bertrand -
Extract structure changes related to 2LIS_03_BF from sap R/3 4.6 c to ECC 6
Dear Experts,
Recently we have upgraded out BW sytem from BW 3.5 to BI 7.0.
Now planning for R/3 upgrade FROM 4.6c to ECC 6.0 is ongoing .
We have observed that there are some extract structure changes related to 2LIS_03_BF from sap R/3 4.6 c to ECC 6.
Please share some information...if u guys of any?
thanks a lot in advance...
Regards,
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I hope this helps you
Regards -
R/3 4.7 to ECC 6.0 Upgrade - Best Approach?
Hi,
We have to upgrade R/3 4.7 to ECC 6.0
We have to do th DB, Unicode and R/3 upgrade. I want to know what are the best approaches available and what risks are associated iwth each approach.
We have been considering the following approaches (but need to understand the risk for each approach).
1) DB and Unicode in 1st and then R/3 upgrade after 2-3 months
I want to understand that if we have about 700 Include Program changing as part of unicode conversion, how much of the functional testing is required fore this.
2) DB in 1st step and then Unicode and R/3 together after 2-3 months
Does it makes sense to combine Unicode and R/3 as both require similar testing? Is it possible to do it in 1 weekend with minimum downtime. We have about 2 tera bytes of data and will be using 2 systems fdor import and export during unicode conversion
3) DB and R/3 in 1st step and then Unicode much later
We had discussion with SAP and they say there is a disclaimer on not doing Unicode. But I also understand that this disclaimer does not apply if we are on single code page. Can someone please let us know if this is correct and also if doing Unicode later will have any key challenges apart from certain language character not being available.
We are on single code pages 1100 and data base size is about 2 tera bytes
Thanks in advance
Regards
RahulHi Rahul
regarding your 'Unicode doubt"' some ideas:
1) The Upgrade Master Guide SAP ERP 6.0 and the Master Guide SAP ERP 6.0 include introductory information. Among other, these guides reference the SAP Service Marketplace-location http://service.sap.com/unicode@sap.
2) In Unicode@SAP can you find several (content-mighty) FAQs
Conclusion from the FAQ: First of all your strategy needs to follow your busienss model (which we can not see from here):
Example. The "Upgrade to mySAP ERP 2005"-FAQ includes interesting remarks in section "DO CUSTOMERS NEED TO CONVERT TO A UNICODE-COMPLIANT ENVIRONMENT?"
"...The Unicode conversion depends on the customer situation....
... - If your organization runs a single code page system prior to the upgrade to mySAP ERP 2005, then the use of Unicode is not mandatory. ..... However, using Unicode is recommended if the system is deployed globally to facilitate interfaces and connections.
- If your organization uses Multiple Display Multiple Processing (MDMP) .... the use of Unicode is mandatory for the mySAP ERP 2005 upgrade....."
In the Technical Unicode FAQ you read under "What are the advantages of Unicode ...", that "Proper usage of JAVA is only possible with Unicode systems (for example, ESS/MSS or interfaces to Enterprise Portal). ....
=> Depending on the fact if your systems support global processes, or depending on your use of Java Applications, your strategy might need to look different
3) In particular in view of your 3rd option, I recommend you to take a look into these FAQs, if not already done.
Remark: mySAP ERP 2005 is the former name of the application, which is named SAP ERP 6.0, now
regards, and HTH, Andreas R -
ECC-600 EHP4 upgrade with VIRSAHR 520 700 - PREP_EXTENSION/ADDON_QCALC
Hi
We are getting following error at phase PREP_EXTENSION/ADDON_QCALC in the ECC 6.0 upgrade:
3 ETN256 You want to install the following add-on components:
3 ETN248 Component: "VIRSAHR" rel. "520_700", Support Package
level: "0" (component type "A")
3 ETN248 Component: "VIRSANH" rel. "520_700", Support Package
level: "0" (component type "A")
2 ETN085X"2. Adding Add-on Installation Queue" " " " " " "
3 ETN262 Calculating queue part for add-on "VIRSAHR" rel. "520_700"
3 ETN490 Use the Add-On installation package "SAPK-523EXINVIRSAHR"
(type &4"AOX") for Add-On &2"VIRSAHR" rel.&3"520_700"
3 ETN245 The following import prerequisites of OCS Package "SAPK-
523EXINVIRSAHR" have not been met:
3 ETN264 In the (alternatively) Requirement set "01":
3WETN491 Required software component "SAP_HR" rel."600" is not installed2WETN543 OCS package "SAPK-523EXINVIRSAHR" does not match the current
software component vector
1 ETN214X."**************************************************"
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We have included SAP_HR and other Support Package as per the queue generated by Solution Manager, but we did not include VIRSAHR & VIRSANH Packages until we got to this phase. We then included these support packages in eps\in directory, but we are now getting this error now.
Any ideas?
Regards
ChanduHi
This is what the solution provided by SAP Support:
Quote:
we have finally found the problem, it's a bug in the package upload
functionality used by the upgrade. The consequence of this bug is that
Support Packages whose EPS files (.PAT files) have a certain string in
the name, namely the string 0000000 after the _ and before .PAT
extension, are not properly uploaded to the ABAP system and hence are
not visible or known to the upgrade.
This bug will be fixed in the next upgrade tool fix, but in the meantimeyou can use the following workaround:
Check your EPS/in directory after the CAR/SAR Archives of the SPs are
extracted and rename all .PAT and .ATT files, which have a name like
*_0000000.PAT (or *_0000000.ATT), by changing the string 0000000 to
9000000. For example, for the VIRSANH SP SAPK-52302INVIRSANH rename the
file VS30020106486_0000000.PAT to VS30020106486_9000000.PAT
Afterwards, the upgrade will upload the informations about the SP
properly and the SP can be included into the upgrade.
Files:
31/01/2007 07:32 329 VS30020106486_0000000.ATT
31/01/2007 07:32 554,073 VS30020106486_0000000.PAT
If these two files are renamed to e.g.
VS30020106486_9000000.ATT
VS30020106486_9000000.PAT
the affected VIRSANH SP2 is uploaded correctly by the upgrade
functionality and the SP inclusion of the VIRSANH SPs works.
Sorry, as of now I cannot promise you a date when the tool fix will be
available. I have found this bug only today in the evening (german time)and will discuss this with the responsible colleagues tomorrow.
Afterwards, I will know more...
Unquote:
Hope this helps. We have decided against upgrading to 530_700 as it will involve upgrading GRC system and also new version has lot of new functionalities, which we like explore it after the ECC upgrade.
Also, I would not suggest deleting VIRSAHR as all the config and customising done for VIRSAHR will be lost.
Regards
Chandu
Edited by: Chandu Cheeti on Jan 17, 2010 11:19 AM -
4.6 C to ECC 6.0 Upgrade Project Timeline Sheet in MPP format
Dear all,
We are now proposing our customer for the 4.6c to ECC 6.0 Upgrade.
Our customer is currently in 4.6c/oracle 9i/HPUX 11 i. He wants to move to ECC 6.0.
If you have the project timeline for the above Technical Upgrade, can you pl send it to me.
If you don't have in MPP format atleast send me the Work Breakdown structure with timelines.
I shall modity the same to our customer and submit
Thanks & Regards
Senthil
[email protected]Preparation Phase* 6 days
Kick Off Meeting 1 day
Upgrade Project Procedures Preparation 1 day
Prepare Upgrade Project Plan 1 day
Technical Requirements Assessment 3 days
Assess Training needs of Key-users & End-users 1 day
Prepare Detailed Basis Activity List for DEV, QA & PRD 1 day
Business Blueprint Phase 6 days
Develop System Landscape Upgrade Plan 1 day
Functional Requirement Checklist 1 day
ABAP Development check list 1 day
Develop detailed Training Procedures & Documentation for Key Users & End Users 1 day
Identify Testing Scope & Scenarios 1 day
Identify Authorizations Conversion to Roles for SAP ECC 6.0 2 days
Develop Documents as per Basis Activity List 1 day
Develop Authorization Matrix for Activity Groups to Roles Conversion 2 days
Prepare Upgrade Deliverables Checklist 1 day
Realization Phase 28 days
Installation of Solution Manager 3.2 System 1 day
Creation of New Development System for Upgrade Project (Homogenous System Copy - PRD) 2 days
Upgrade to AIX & Oracle 10g, SAP ECC 6.0 on New Development Server 3 days
Upgrade Frontend Software 4 days
Perform SPAU & SPDD Corrections 5 days
Perform ABAP Development & Corrections 10 days Perform Authorizations Conversions and corrections after upgrade 8 days
Perform Upgrade Testing for each Application Module 7 days
Perform Unit & Integration Testing 6 days
Perform Training to Key Users & End Users (Generic & Specific) 3 days
Upgrade to AIX, Oracle 10g, SAP ECC 6.0 on Quality System 1 day
Homogenous System Copy of PRD to New Quality & Upgrade to AIX, Oracle 10g & SAP ECC 6.0 2 days Perform Testing in Quality System 3 days
Testing by end users on Quality System 1 day
Production Realization & Go-Live Phase 6 days
Upgrade to Production System Operating System to AIX (after close of business hours - 23:00) 1 day
Oracle Upgrade to 10g (after close of business hours - 23:00) 1 day
SAP Release Upgrade to ECC 6.0(Downtime Minimized - Downtime occurs in non-business hours) 2 days
User Acceptance Testing 1 day
Production System Go-Live 1 day
Post Go-Live Support 14 days
Post Go-Live Support 14 days Note: This is high level plan subject to change during Business Blue Print Phase 0 days
This is taken from a post in Ittoolbox, May be this is generic. Hope you can tailor this to meet your requirements. -
SAP Data File size considerably reduced after Unicode Conversion
Hello Experts
I have just performed a CUUC (Upgrade along with unicode conversion) from R/3 4.7 to ECC 6.0 EHP5. The data size that i earlier had was close to 463 GB (MSSQL MDF, LDF Files), after the data export to be converted to unicode the size was 45 GB (10% of actual data size, i feel this is normal after heterogeneous system copy), but after the import again the DATA file size is only 247 GB, is this normal ? or have i lost some data ? For ex, I tried checking tables like MSEG and the number of entries have reduced from 15,678,790 to 15,290,545.
Could you kindly let me know if there is a way to check from Basis perspective if i have not lost any data ? I have followed all the procedures as per SAP Standards.
Waiting for your quick reply.
Best Regards
PritishHi Nicholas
Data is compressed during the new R3load procedure is understood, but why number of table entries have reduced is something which is still a question to me (in some cases increased as well) ? For example
Source Target
STPO 415,725 412,150
STKO 126,710 126,141
PLAF 74,671 78,336
MDKP 193,487 192,747
MDPB 55,329 63,557
Any suggestions or ideas ?
Best Regards
Pritish -
Load balancing after ECC 6.0 upgrade
Hi
I we this configuration on ECC 6.0 upgrade:
SAPGUI 7.10
SAP_BASIS 700 Patch level 15
SAPportal ESS
Webdispatcher Installed
Internal ITS
Single sign-on
Can somebody assist as with identifying the problem with load balancing (PUBLIC) E.g. When running ESS remuneration package via the Sapportal. we have configured ITS-Based GUI Services on transaction SICF for customised ZESS_PZ11PDF service.
When we have load balancing group on the load balancing does not work, because I see somebodyu2019s payslip
but when using one app server I see my own payslip. Please help.Hi PR,
Please take a look at the following link:-
http://help.sap.com/SAPHELP_NWPI71/helpdata/EN/28/75153a1a5b4c2de10000000a114084/frameset.htm
"You can only use the SAP message server for HTTP load distribution if
the browser is the direct client of the message server. If another
component lies between the client (browser) and the message server, (for
example, the portal), you cannot use the message server to distribute
the load."
When using the External ITS you could balance the load using the message server and logon groups. In 700 this functionality is not present if there is not a direct connection to the client (Firefox or IE). So you will have to install the webdispatcher to balance the load.
Hope this helps
Michael -
ECC 5.0 to ECC 6.0 upgrade
Hi Experts,
We are planning to do an upgrade from ECC5.0 to ECC 6.0. We have other SAP components like APO, BW 3.0 system also in the landscape. My question is- Do we need to upgrade other SAP components as well if we decide to upgrade ECC? If yes, to which version and why and if no, what changes do we need to do in other SAP components in the landscape?Here are a few things that would help you:
The upgrade guide on OSS will have this information in the first few chapters.
Please have a look at a few points of concern that we faced while doing such an upgrade
1. The Cost of Logging
Some of you may already know that you can't turn off transaction logging in db2 for z/os. Turning off transaction logging is an important part of the ECC upgrade process, and for good reason, since the upgrade process eats up a huge number of logs, and you seldom need to perform any kind of point in time recovery since the upgrade program can rerun each step.
In the SAP SERVICE MARKETPLACE you can find some information on the upgrade procedure's requirements from the various servers and databases. Note 815203 will even tell you how much free space you require. But I haven't found an official document that addresses the logins issue, so I guess there isn't one. Anyway, what I'm trying to say is that my recent experience shows that upgrade from ECC5 to ECC6 generates around 500MB of transaction log data, and if you use dual logging it will add up to 1TB of data, so be prepared.
2. Profile Parameter Issues
a. Save your old instance and default profiles before the upgrade.
b. Save your old instance and default profiles before the upgrade.
c. Save your old instance and default profiles before the upgrade.
d. Save your old instance and default profiles before the upgrade.
e. Review the new profiles, make sure you haven't lost important non-standard parameters, also note that some of the memory related parameters have changed, they are given default values , and this is probably not optimal for your system.
f. Review the shadow instance profile before the upgrade. At the very least consider adding the following parameters to it :
dbs/db2/use_wlm=1
dbs/db2/use_accounting = 1
3. Performance Tips
a. Change the wlm settings so that the sapgen and sapbatch enclaves get high priority. Usually, the sapgen and or sapbatch enclaves are given lower priority then the sapdiag and or sapupdate, keep in mind that the upgrade does most of the work using R3trans/R3load process which create sapgen enclaves.
b. Keep reviewing the sql statment cache throughout the upgrade process, you may find heavy sql statments. Personally, I haven't found any, but that doesn't mean you won't.
4. Misc Errors
a. The prepare may fail with an error about tables that have CHAR columns (as opposed to VARCHAR columns). In my systems the all the tables where named DSN.... they all belonged to IBM'S "VISUAL EXPLAIN" AND "OPTIMIZATION SERVICES CENTER", so I just dropped the tables and all was well.
b. Error - pe0353 "outstanding db conversions found" (in phase cnv_chk_imp). You will find a list of the tables/objects in the put/log directory. You should be able to use transaction se14 to display each table and "manually" complete the failed conversion. If you see QCM tables in the list, those are temp tables used during incremental conversion, you can generate a list of them (and then drop them) in transaction se14 -> menu "extras" -> invalid tmp objects
c. Recreating the abap "WHERE USED LIST". In the upgrade master guide you are told to recreate the abap "where used list" in your dev systems by running report SAPRSEUB (note 28022) during the post upgrade activities. Since I am a good sysadmin, and I do what I am told ( i.e. i ran the report SAPRSEUB), I came across the following error after a few hours - I saw that job EU_INIT was also running for several hours, it too runs report SAPRSEUB. So I had two very intensive jobs running in parallel and doing the same thing.
If I am not mistaken job EU_INIT is executed when a developer enters transaction se38, so I recommend you either: a) wait until your execution of report SAPRSEUB ends before you open the system for your users; or b) you don't run the report manually, let it be "automatically" scheduled by a developer (only one EU_INIT job can run at any one time) or manually run report SAPRSEUB under jobname EU_INIT.
5. DB2 for Z/OS DBA Cockpit Warning
The new version of CCMS for db2 on z/os called db2 dba cockpit is delivered with sap_basis 700 sp12. In practice, if you upgrade to this sp level, you will be forced to import several notes in order for the ccms to work at all. These notes contain dozens of fixes if not the entire ccms for db2 code. Moreover, I have found some missing functionality in the dba cockpit the existed in the previous versions of the db2 for z/os ccms I have opened an oss on this issue, and i think it will be fixed in the very near future. So please keep all of this in mind when you plan your upgrade.
I hope this is sufficient
Regards
Chen
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