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Server Connection Timeout


Server Connection Timeout

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HBhagat
HBhagat
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HI All,
I have got 2 servers.
A server which is a live one.
B server which is the failover server.

Every 15 mins my data gets transferred from A server to B server by a job.

I want to access data from B server by writting a query in Query Analyzer I recieve an error
Server: Msg 17, Level 16, State 1, Line 1
SQL Server does not exist or access denied.

This is something related with the server connections...
The job run2 every 15 mins so once the job has executed and if i execute the query in the A server I can access the data. But if its more than 10 mins then I cannot access the server.
Please Help..
Thanks in advance
Harsha
Kishore.P
Kishore.P
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while restoring the data, you can't access the data, once process completed, you didn't get this problem.



HBhagat
HBhagat
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Its not the matter of restoring.
If I do a normal select query i get the error.

In server A if i execute the query as
select * from B.databsename.dbo.Tablename
I get the error
Kishore.P
Kishore.P
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which ver. of SQL server using ?



HBhagat
HBhagat
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SQL server 2000 Windows 2003
Kishore.P
Kishore.P
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when this problem occurred ? (means today or long back)

Could you please do the following:

> Check the Client Network Protocols of SQL Server.
> Possible, restart the SQL Server or reboot the machine.



HBhagat
HBhagat
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Its not possible for me to reboot the machine or restart the server..
This happens very frequently... and its happening now also.
I am not familiar with the client network utility..
what should i check in them..
Chand00
Chand00
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Hi Harsha,

How you are transferring data from one server to another. There are many ways like backup and restore, dts and bcp, database mirroring, logshipping etc..

version of both sql server and sp version.?
did u try to connect from server a to server b using the query analyzer.
Did u check whether the login you are using has sufficient permissions on the server b.
Did u try the concept of linked server.

Thanks
Chandra Mohan N

Thanks
Chandra Mohan

Kishore.P
Kishore.P
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I think SQL Server 2000 Service Pack 4 may exist in your machine.

Problem may be ODBC Drivers or TCP/IP ports.

Run the following commands if server is offline:

DBCC UPDATEUSAGE ([DBNAME])
DBCC CHECKDB
DBCC DROPCLEANBUFFERS
sp_spaceused.

for more information, see the DBCC related command in SQL BOL.

check the below links, it may solve your problem:

http://www.alagad.com/go/blog-entry/one-solution-to-this-error-sql-server-does-not-exist-or-access-denied
http://blogs.msdn.com/sql_protocols/archive/2005/12/19/505372.aspx
http://www.experts-exchange.com/Programming/Programming_Languages/Dot_Net/Q_20789603.html
http://support.microsoft.com/kb/314530



Chand00
Chand00
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Hi Kishore,

I dont understand why you are recommending harsha to run the dbcc commands. DBCC commands has nothing to do with this problem. There might be connectivity issues or some other things.

Harsha, Please dont run DBCC commands unless required.

Thanks
Chandra Mohan N

Thanks
Chandra Mohan

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