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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...DBMS ChangeDBMS Change
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11/4/2010 9:13 AM
 
Barry Sweeney


Joined: 5/15/2003
Posts: 362
Hello,

I have had to reinstall the OS on my database server and I've taken the opportunity to upgrade the DBMS to SQL Server 2008.  I was previously using SQL 2000.

What pitfalls should I look out for?  Is it as simple as attaching the database and changing to the new 2005/2008 database connection strings in web.config?  At what point do I change the database compatibility level ?

Many thanks for any help/pointers

Barry
 
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11/4/2010 9:21 PM
 
William Severance


www.wesnetdesigns.com
Joined: 2/18/2005
Posts: 3253
That's about it with the one addition that you'll have to create a new SQL Server Login and map that to the particular database. You should have no issues running the site with SQL Server 2008. Make sure that you change BOTH database connection strings - one in the node and one under the node of web.config.

I would suggest leaving the database compatibility level initially at 80, check that the site is functioning properly, then set it to either 90 (SQL Server 2005) or 100 (SQL Server 2008).

Its good that you are upgrading the DBMS at this time as DotNetNuke v 5.02.00 and above require MS SQL Server 2005 or 2008.
Bill, WESNet Designs
Team Lead - DotNetNuke Gallery Module Project (Not Actively Being Developed)
Extensions Forge Projects . . .
Current: UserExport, ContentDeJour, ePrayer, DNN NewsTicker, By Invitation
Coming Soon: FRBO-For Rent By Owner
 
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11/5/2010 6:31 AM
 
Barry Sweeney


Joined: 5/15/2003
Posts: 362
Thanks Bill,  I had a couple of glitches regarding the db accounts, but all appears to be working.  As you surmised I'm still running on 4.9.5, but now I have SQL2008, lots more possibilities are opened up.  Although I have noticed that SQL2008 seems to be using a lot more memory that SQL2000, so the meagre 2GB will have to be increased.
 
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11/5/2010 7:59 AM
 
Sebastian Leupold


Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212
SQL server tends to using as much memory as available for caching, i.e. increasing server RAM will increase SQL performance as well, and web server performance, if run on the same machine.
Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

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