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HomeHomeUsing DNN Platf...Using DNN Platf...Upgrading DNN P...Upgrading DNN P...problem moving dnn to a new serverproblem moving dnn to a new server
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6/4/2014 8:41 AM
 
luca morelli

Joined: 2/3/2010
Posts: 24

Hi all,

  I don't know if this forum is the right one, but I need some informations: I'm movind some dnn 5.6.* installations from 2003 server to 2008 r2. Several of them worked without problems changing the db connection string, but one is giving a strange problem.

  I have the same connection string (change just username and pwd), tested with management studio express, but when I try to start the site i receive the error

A+network-related+or+instance-specific+error+occurred+while+establishing+a+connection+to+SQL+Server.+The+server+was+not+found+or+was+not+accessible.+Verify+that+the+instance+name+is+correct+and+that+SQL+Server+is+configured+to+allow+remote+connections.+(provider%3a+Named+Pipes+Provider%2c+error%3a+40+-+Could+not+open+a+connection+to+SQL+Server)

checked  and both tcp and named pipes are enabled.

checking the log i found an even more strange thing:

2014-06-04 10:54:02 5.249.141.28 GET /Default.aspx - 80 - 95.226.127.199 Mozilla/4.0+(compatible;+MSIE+8.0;+Windows+NT+5.1;+Trident/4.0;+.NET+CLR+1.1.4322;+.NET+CLR+2.0.50727;+.NET+CLR+3.0.4506.2152;+.NET+CLR+3.5.30729;+.NET4.0C;+.NET4.0E) 302 0 0 14726

2014-06-04 10:54:02 5.249.141.28 GET /Default.aspx tabid=40&error=A+network-related+or+instance-specific+error+occurred+while+establishing+a+connection+to+SQL+Server.+The+server+was+not+found+or+was+not+accessible.+Verify+that+the+instance+name+is+correct+and+that+SQL+Server+is+configured+to+allow+remote+connections.+(provider%3a+Named+Pipes+Provider%2c+error%3a+40+-+Could+not+open+a+connection+to+SQL+Server)&content=0 80 - 95.226.127.199 Mozilla/4.0+(compatible;+MSIE+8.0;+Windows+NT+5.1;+Trident/4.0;+.NET+CLR+1.1.4322;+.NET+CLR+2.0.50727;+.NET+CLR+3.0.4506.2152;+.NET+CLR+3.5.30729;+.NET4.0C;+.NET4.0E) 200 0 0 93

 

I have a first get to default.aspx, and after a call to /Default.aspx tabid=40. Obviously tabid = 440 is the home page, but this way seems to me that at first request was able to connect to the db and find the correct tabid.

I'm quite sure I don't have any module with embedded conn strings, and beside this I think this is not the problems, because I have several sites in this installation, and no one starts, dnn have problems with all the sites.

Can you give me some suggestions?

 

Luca
 
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6/4/2014 8:34 PM
 
Stuart Hilbert


www.HilbertSolutions.com
Joined: 10/30/2003
Posts: 852

You mention changing one connection string in the web.config, there are actually two.  One is for older modules and it is maybe 10 or 15 lines below the newer connection string.  I would suggest you take a look at that.

Stuart

Hilbert Solutions, LLC
Owner, Hilbert Solutions, LLC
http://www.HilbertSolutions.com
A DNN Service Provider
From Module Development to DNN Upgrades, your one stop DNN Shop
 
New Post
6/5/2014 1:47 AM
 
luca morelli

Joined: 2/3/2010
Posts: 24
yes, I updated all the connection strings and looked for any reference of the old server.
 
New Post
6/5/2014 7:35 AM
 
Mark Eckeard


Joined: 1/19/2004
Posts: 924
Does the site load on a page without any modules?

Also, can you use the credentials in the connection string and log in to that instance of SQL Server using SSMS? Cut and paste the credentials to ensure you don't have a typo.

Mark
 
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6/5/2014 8:09 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
you also need to make sure, you installed TCP/IP for both SQL server and client and - if the server is on another machine - enabled remote access for SQL Server.
Next, the sql server account specified in DNN connection strings need to have a user mapping for the DNN database with dbowner permission.
Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

Speed up your DNN Websites with TurboDNN
 
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