Upgrade ESS/MSS EP 6.0 from SP19 to SP21

Hi!
Can anybody give us TIPS to update our ESS/MSS from SP19 to SP21 ??
Do we need to update the business packages, XSS Componenets, ....... ? in other words what do we need to be careful ?
We are working WEB AS 6.4
EP 6.0
SP19
We are planing just to update from SP19 to SP21
Thanks a lot
Xiomara

hi,
wen you have to go for an upgrade,
please go through the stack information(for previous and new).
service.sap.com/sp-stacks -> SAP support packages -> select the sp-stack like SAP ERP 6.0..
click on this, you can get the stack related information for all the dependent components . also, you can get the related notes also.
Regards
Reshma

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Hi Mrigank,
For installation steps, you can download the support package stack guide for SP21 from service market place.
service.sap.com/instguides --> SAP Netweaver --> NW 7.0 (2004s) --> Maintenance --> On the content area Support PAckage Stack Guide.
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Hello,
I am on NW04s ESS6.0 ESS/MSS SP10 and want to upgrade to SP10 ...I want to know certain things about it..
1) How many new tracks do we need to create.?
2) Do we need to manually move the changes from the old track.?
3) Are there any other requirements for the Upgrade process.?
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Hi Subash,
sorry for the slow reply. Generally when upgrading you already have one track which contains all your mods. SAP says three for this reason:
Old Track: contains all the mods, no changes here used for comparison
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Implementation Track: Contains all the new code with mods, this is your final DCs that will go to production.
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Message was edited by:
Armin Reichert

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Hi Everyone,
we are using ESS1.0 SP 7, MSS1.0 SP 7 in EP 7.0 SP 10
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Hi
the Procedure is like this.
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Hi
Check the following note
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Hi,
We intially started with EP 7.0 sp13 and ESS/MSS version 600 SP10.Later on we upgraded to EP 7.0 SP13 and ESS/MSS to SP13.
we have done lot of customisations to SAP ESS/MSS standard code and we did them again when we upgraded ESS/MSS.
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1.Is it necessary to upgrade ESS/MSS everytime we upgrade portal(because ESS/MSS version = Portal version - 3 )
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Bala,
Usually, there are 3 (+1 ) types of patches that are done:
1. Kernel and JDK. This one is easy, can be done often. Affects perfomance, but rarely functionality.
2. Netweaver SPS. This one will update basic functionality, but in most cases will not affect ESS. Also can be done every 3 month.
3. ERP SPS. This one will affect ESS. You will be required to go through the cookbook. Backend HR component versions must match EP XSS. It makes sense, because EP XSS will call backend BAPIs and they should be of the same versions. Not very often I see ERP SPS applied every 3 month. One of the reasons is that user UI screens and procedure may change and the cycle of testing and user training rarely fits into 3 month.
+1. EHP, Enancement Packs. This is SAP effort to give a more granular aproach to functional changes. Basically your functional team will decide if it needs a new function and it will be possible to implement and activate it. If it happens that the function is HR and it affects XSS and it brings a new version, then yes, you will need to do XSS merge-update. It will be clear from the EHP docs. How often to do ESS related EHP? See 3. Keep in mind that EHP docs may give an impression that there is no impact until you "turn on" new function, but it is true for ABAP (with some exceptions), less so on the Java side.
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Hi ,
Currently we are on 2004s SP9 and intend to move to SP11.
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Any note or reference for upgrade startegy will be pretty useful
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Hi Aditya
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sap.com SAPPCUI_GP 100 SP20 (1000.100.0.20.0.20081013052239)
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Thanks & Regards,
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Edited by: Ashok Kumar Munugoti on Oct 20, 2011 8:22 AM

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We are implementing Portal and ESS/MSS on a system landscape as ECC 5.0 for the back-end system and EP 7.0 as front-end.
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What do you think?
Any help will be highly appreciated.
Thanks in advance,
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http://help.sap.com/saphelp_nw70/helpdata/en/c4/2910411db1d349e10000000a1550b0/frameset.htm
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We are currently in development cycle for ESS/MSS based on portal EP 6.0 SP16 and ERP 2004 in backend. We are trying to find out how the ESS/MSS business package on portal works with backend ESS functionality in ERP 2004. It is more of a connectivity question. We want to know if we expose our portal to internet so that users can login to ESS/MSS from internet, do we need to put backend ERP (ECC 5.0) system also in DMZ? Do we need to open ports between portal and R/3 so that ESS/MSS can work? Or the communication happens using JCO connections and we need not to expose R/3 system.
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PK

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