# Epicor 10.?

**Category:** [Epicor ERP 10](https://www.epiusers.help/c/e10/5)
**Created:** 2016-09-26 19:41 UTC
**Views:** 2155
**Replies:** 18
**URL:** https://www.epiusers.help/t/epicor-10/35574

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## Post #1 by @wi11king777

About to start migration from E9.05.702A to E10. 

I'd like to hear ideas of which version is considered the most stable.

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## Post #2 by @RedRhyno13

10.1.400.17 is very stAble for us

Thanks,
Chris 'Rhyno' Wineinger

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## Post #3 by @josecgomez

10.1 latest release is what I would recommend. They fixed a lot of stuff in 10.1 and the by weekly releases gradually improve on it

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## Post #4 by @Beth

We are working in 10.1.400.17 and it seems fairly stable.

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## Post #5 by @wi11king777

thank you for replies. 

Different subject. I like the new forum platform.

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## Post #6 by @MiguelS

Are you coming from Progress or SQL?

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## Post #7 by @wi11king777

Sorry @MiguelS, I missed your reply. I am using SQL

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## Post #8 by @iainsnee

As @josecgomez.trigemco mentions, the incremental approach Epicor now follows means that the latest version is generally the most stable (or they fix pretty quick if something goes sideways for a group of users). This is a big change for anyone who remembers the ERP 9.05.6xx series of patches.

The other thing to consider is Epicor's certification of the Windows Server/SQL combination. For 10.1.500.x, Epicor has added Windows Server 2012 R2/SQL Server 2016 as a certified combination (and still keeps Windows Server 2008 R2/SQL Server 2008 around).

If you're migrating, then consider testing 10.1.500.7 that is now GA.

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## Post #9 by @Bart_Elia

It's good to hear some positive responses on the stability aspect and the acceptance of the 'Fast Ring' rolling patches. I don't hear too many complaints but I am rather buried in the bowels of ICE so wouldn't. My team put a ton of tooling into the stability checking and analysis tools so glad they are making a difference.

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## Post #10 by @wi11king777

Thank you for all of your responses. I am starting the test migration now. Running into a few problems with the Migration crashing in the UpgradeDB ERP10.1.200.0 area due to ICE. I am testing again to see if it is a fluke, if not I'll start a new post.

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## Post #11 by @josecgomez

Did you run your data scrubbers?

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## Post #12 by @wi11king777

I did. 
I'll post my error on here when (or if) I get it again.

Migration is working, so far .

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## Post #13 by @Bart_Elia

I am curious. What db size and elapsed time to migrate? I love hearing real world experiences on some of these things.

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## Post #14 by @josecgomez

I just did one yesterday from 9.05.702A to 10.1.400.22 exactly 2 hours and 48 minutes for migration. 100GB DB size. Not including App Server, just the DB Migration Portion

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## Post #15 by @rbucek

10.1.400.11 to 10.1.500.7 94gb was a little over two hours for me

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## Post #16 by @frontierits

Can you share the before and after DB size in that example? one I did about a year ago reduced the overall DB size by close to 40% during the upgrade

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## Post #17 by @josecgomez

100GB 9.05 went to 56 GB

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## Post #18 by @wi11king777

I did have the error again and I started a new topic, "Migration error UpdateCNVProgs.sql on ERP1.01.200.0"

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## Post #19 by @wi11king777

What was the hardware?

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**Canonical:** https://www.epiusers.help/t/epicor-10/35574
**Original content:** https://www.epiusers.help/t/epicor-10/35574