Unable to complete login process due to delay in opening server connection

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Unable to complete login process due to delay in opening server connection

Amit Chaudhary

Ten Centuries

Points: 1050
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October 18, 2008 at 6:32 pm

#126980

I have a bcp out command running on Server A. The command runs against different Servers ( e.g. B, C, D ). It extracts Data from Tables on these Servers. This command runs as part of a cmd job daily. Sometimes, however, it fails with the following error :
SQLState = 08001, NativeError = 0
Error = [Microsoft][SQL Native Client]Unable to complete login process due to delay in opening server connection
When I tested this command, I did not get any error. We get this error randomly.
Any help is appreciated.
Thanks,

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Steve Jones - SSC Editor SSC Guru Points: 734434 More actions · Answer 1

These can be hard to diagnose. The load on the server (either one) could be delaying the response to the connection attempt or the acknowledgement. In either case, you'd need to be monitoring the server to see if there is a reason for the delay. Don't forget about the network as well.

One other thing, you might be able to up the connection timeout for BCP as well.

Amit Chaudhary Ten Centuries Points: 1050 More actions · Answer 2

This might sound a bit silly, but on which Server should I set up monitoring ? Server A... or Servers B, C , D ? At some other time, it could be some other server ( say Server E ) .

There are quite a number of jobs running on Server A at different times.

Thanks,

Amit Chaudhary Ten Centuries Points: 1050 More actions · Answer 3

One other thing I found is... all the Files are created on a SAN drive. Could this be a cause of the Problem ?

Thanks,

Amit Chaudhary Ten Centuries Points: 1050 More actions · Answer 4

Amit Chaudhary

Ten Centuries

Points: 1050

October 21, 2008 at 4:46 pm

#887882

What Parameters should I be checking ?

THanks,

nurbo Valued Member Points: 71 More actions · Answer 5

Hi,

I am getting the same error but in trying to configure an odbc connection between a machine running sql server native client 10.0 and a machine running sql server 2005. The odd thing is that if i use an older cliente it works but not with this 10.0 one. Any idea of what can be going on?

The sql 2005 server is a cluster setup of 2 machines.

thanks.

Steve Jones - SSC Editor SSC Guru Points: 734434 More actions · Answer 6

I would think this error is occuring on the server which you are connecting to. Not from. I'd monitor that one, or check the network and make sure that you are not experiencing issues there.

Deepak Vasa SSC Veteran Points: 210 More actions · Answer 7

I get the same error message when a 3rd party application is trying to BCP some files in to our sql server. I have notified the application provider, but they are at loss. When I do the bcp command in the DOS prompt, I am able to extract data from sql server with out any problem, however when application tries to do it, I get the "Unable to complete.." msg.

Can any of you guys help?

[font="Arial"]Deepak Vasa[/font]

Paresh Prajapati SSCertifiable Points: 7567 More actions · Answer 8

Amit Chaudhary (10/18/2008)
I have a bcp out command running on Server A. The command runs against different Servers ( e.g. B, C, D ). It extracts Data from Tables on these Servers. This command runs as part of a cmd job daily. Sometimes, however, it fails with the following error :
SQLState = 08001, NativeError = 0
Error = [Microsoft][SQL Native Client]Unable to complete login process due to delay in opening server connection
When I tested this command, I did not get any error. We get this error randomly.
Any help is appreciated.
Thanks,

User don't have access to access that machine

_____________________________________________________________________________________________________________
Paresh Prajapati
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http://paresh-sqldba.blogspot.com/[/url]
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Deepak Vasa SSC Veteran Points: 210 More actions · Answer 9

My problem has been resolved. Recently our servers have moved to a different physical location and the IP address has also changed. The third party application on the client machine is using the SQL Server name and the DNS cache on the local (Windows XP) machine is resolving the server name to the old IP address. Flushing the DNS cache (ipconfig/flushdns) has fixed the problem.

cheers

[font="Arial"]Deepak Vasa[/font]

debbie.bull SSC Enthusiast Points: 104 More actions · Answer 10

I am getting the same error message when a Maintenance Plan attempts to do a full back up. This all should be happening locally on the server, which I thought would eliminate the network from the equation. Why might it take so long to establish a connection? What should I be watching?

Thanks.

Debbie

waqar_lionheart Valued Member Points: 68 More actions · Answer 11

We are experiencing the same thing as Debbi

debbie.bull wrote:

I am getting the same error message when a Maintenance Plan attempts to do a full back up. This all should be happening locally on the server, which I thought would eliminate the network from the equation. Why might it take so long to establish a connection? What should I be watching?
Thanks.
Debbie

We are experiencing the same issue. Did you get anywhere with this please.

Regards,

Waqar