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Upgrading SAP Enterprise unicode page to ECC 6.0

What's the expected downtime when upgrading a single code page from SAP Enterprise 4.6 to ECC 6.0? Expert Bert Vanstechelman offers some insight.

We are planning an upgrade from SAP Enterprise 4.7 to ECC 6.0. We have a single code page. Can you please let me know whether: 1.Do we need to perform the Unicode conversion after upgrade?
2.Can the upgrade and unicode conversion be performed as a continuous process? If yes, what could be the expected downtime?
ECC 6.0 does not support MDMP installations. For those systems, a Unicode conversion needs to be done before the upgrade to ECC 6.0. A combined Unicode conversion / release upgrade is another possibility. In such a project, the system is upgraded to ECC 6.0 and migrated to Unicode in one step.

All this does not apply to your environment. Non-Unicode, single code pages systems are still supported in ECC 6.0. You have to option to an upgrade to ECC 6.0 and migrate to Unicode at a later stage. If you want, you can also do a combined Unicode conversion / release upgrade project which does both in one step.

I cannot predict the expected downtime as it depends on many different factors such as the database size, size of the biggest table, number of CPUs and amount of memory in your system.

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