Mirroring Connection Time Out
Apr 2, 2008
Hi,
I have Mirroring setup for 3 databases without a witness.
The database mirroring monitor shows me that both Principal and Mirror are "Synchronized".
SSMS also shows that the both instances are "Synchronized".
However, the following error message appears couple of times in the event viewer:
The mirroring connection to "TCP://abc.xyz.com:5022" has timed out for database "DB" after 10 seconds without a response. Check the service and network connections.
Also came across this article.
http://support.microsoft.com/kb/947462
Should i be worried?
thanks
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Apr 29, 2008
Hi all,
I am trying to set up db mirroring between 2 servers and I have everything pretty much set but only problem so far is connecting to mirrored server. When I go through the "Configure Security" setup I connect to the mirrored server using server name "sqlsvr2" and user/password that has access to the endpoint. After this is finished it automatically enters TCP://sqlsvr2:5022 in to the address bar, which it doesn't like, so I change it to TCP://sqlsvr2.domain.com:5022 but then I get no connection when I try to start the mirror. sqlsvr2.domain.com pings just fine and also responds to telnet on port 5022. I even tried using the IP address for tcp connection but it's not connecting.
What am I missing here?
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Oct 23, 2007
Greetings,
I am trying to setup database mirroring on two seperate servers running SQL 2005 SP2. I would eventually like to add a witness. I have tried the SQL wizard with and without a witness to no avail. I am now trying to use certificates. I have changed both servers to use a domain administrator logon to run the services. I am getting the following message each time I try to alter the database on the principal after I have setup everything on the mirror server.
Msg 1418, Level 16, State 1, Line 1
The server network address "TCP://10.99.99.02:5022" can not be reached or does not exist. Check the network address name and that the ports for the local and remote endpoints are operational.
Here is the TSQL statements I am using on the principal server:
-- Step 1
create master key encryption by password = 'xxxxxx'
-- Step2
create certificate Principal_Cert
with subject = 'Principal Certificate',
expiry_date = '12/31/9999'
--Step 3
backup certificate Principal_Cert to file = 'c:Principal_cert.cer'
--Step4
create endpoint Endpoint_Mirroring
state = started
as TCP (listener_port = 5022, listener_ip = all)
for database_mirroring (authentication = certificate Principal_Cert,
encryption = required algorithm AES,
role = all)
-- Backup database SPOT - go to Mirror Server
-- Step 5 after setup on Mirror server
create login Mirror_login with password = 'xxxxxxxx'
-- Step 6
create user Mirror_user for login Mirror_login
--Step 7
create certificate Mirror_Cert
authorization Mirror_user
from file = 'c:Mirror_cert.cer'
--Step 8
use master
grant connect on endpoint::Endpoint_Mirroring to [Mirror_login]
-- Step 9
alter database spot
set partner = 'TCP://10.99.99.02:5022'
**** Getting message here **********
-- Checks
select * from sys.server_principals
select * from sys.sysusers
select * from sys.certificates
select * from sys.database_mirroring_endpoints
SELECT e.name, e.protocol_desc, e.type_desc, e.role_desc, e.state_desc,
t.port, e.is_encryption_enabled, e.encryption_algorithm_desc,
e.connection_auth_desc
FROM sys.database_mirroring_endpoints e JOIN sys.tcp_endpoints t
ON e.endpoint_id = t.endpoint_id
Here is the TSQL statements I am using on the mirror server. This all works fine.
-- Step 1
create master key encryption by password = 'xxxxxxxx'
-- Step2
create certificate Mirror_Cert
authorization dbo
with subject = 'Principal Certificate',
EXPIRY_DATE = '12/31/9999'
ACTIVE FOR BEGIN_DIALOG = ON
--Step 3
backup certificate Mirror_Cert to file = 'c:Mirror_cert.cer'
--Step4
create endpoint Endpoint_Mirroring
state = started
as TCP (listener_port = 5022, listener_ip = all)
for database_mirroring (authentication = certificate Mirror_Cert,
encryption = required algorithm AES,
role = all)
-- Step 5
create login Principal_login with password = 'xxxxxxxx'
-- Step 6
create user Principal_user for login Principal_login
--Step 7
create certificate Principal_Cert
authorization Principal_user
from file = 'c:Principal_cert.cer'
ACTIVE FOR BEGIN_DIALOG = ON
--Step 8
use master
grant connect on endpoint::Endpoint_Mirroring to [Principal_login]
-- Restore Step
RESTORE DATABASE SPOT
FROM DISK = 'C:SPOT.bak'
WITH NORECOVERY
RESTORE log SPOT
FROM DISK = 'C:SPOT_log.bak'
WITH NORECOVERY
-- Step 9
alter database spot
set partner = 'TCP://10.99.99.01:5022'
-- Checks
select * from sys.server_principals
select * from sys.sysusers
select * from sys.certificates
select * from sys.database_mirroring_endpoints
SELECT e.name, e.protocol_desc, e.type_desc, e.role_desc, e.state_desc,
t.port, e.is_encryption_enabled, e.encryption_algorithm_desc,
e.connection_auth_desc
FROM sys.database_mirroring_endpoints e JOIN sys.tcp_endpoints t
ON e.endpoint_id = t.endpoint_id
select *
FROM sys.database_mirroring_endpoints
Does anyone have any ideas?
Thanks
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Nov 21, 2007
hi all,
I 've done the mirroring in sql server 2005 sp1 now I 've to write the connection string for partner and failover server in tomcat root.xml file anyone know how to write the connectionstring?
my normal connection related stuffs which I am writing in root.xml is
<!-- SQL Server -->
<Resource
name="jdbc/LiferayPool"
auth="Container"
type="javax.sql.DataSource"
driverClassName="net.sourceforge.jtds.jdbc.Driver"
url="jdbc:jtdsqlserver://localhost:1433/normal_db"
username="sa"
password="ok"
maxActive="20"
/>
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Apr 24, 2007
I'm currently using database mirroring as a hot-standby, without a witness. Everything appears to be running fine, but I'm receiving intermittent errors that appear to state that my servers are loosing connectivity, thus disabling (inactivating) the mirror until the connection has been reestablished.
The errors are listed below, basically, I note a block of log entries for each mirrored database stating that mirroring is inactive for the database(s), next Error 1474, next the connection error, then another block of log entries for each mirrored database stating that the mirroring session is once again active.
Database mirroring is inactive for database 'NetRS'. This is an informational message only. No user action is required.
Error: 1474, Severity: 16, State: 1.
Database mirroring connection error 4 '64(The specified network name is no longer available.)' for 'TCP://SQL01NRS:7024'.
Database mirroring is active with database 'Telephony' as the principal copy. This is an informational message only. No user action is required.
I have confirmed that the sessions are in sync, so am not concerned about the data - but would love to get rid of these errors / disable / enable. I'm assumming that if I had setup a Witness, that I would see the mirrored database flip-flopping back and forth between Principal and Mirror.
Please let me know if I can provide any additional details to assist ...
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I develop a website. When I work in local machine for login/logout, The connectionstring works well.
<add name="DefaultConnection" connectionString="Data Source=(LocalDb)v11.0;AttachDbFilename=|DataDirectory|xxxxx.mdf;Initial Catalog=Restaurants;Integrated Security=True" providerName="System.Data.SqlClient" />
But When I deploy the web to IIS server. The I always can't work normally. The system cannot find the file specified..An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ComponentModel.Win32Exception: The system cannot find the file specified
Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
[Win32Exception (0x80004005): The system cannot find the file specified].[SqlException (0x80131904): 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: SQL Network Interfaces, error: 52 - Unable to locate a Local Database Runtime installation. Verify that SQL Server Express is properly installed and that the Local Database Runtime feature is enabled.)]
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Nov 3, 2006
Hi everyone, I am a newbie on setting up database mirroring and right now I am facing the connection problem during mirroring which is Error 1418 which kinda common problem. I just view through all the threads regarding this problems and BOL also. However, I just based on all the guide to setting it up and the result are still the same.
I did tried on both instance names in my server for mirroring and displayed the same results as well. When I type this t-sql on mirror server :
ALTER DATABASE AdventureWorks SET PARTNER = 'TCP://TSUYOSHI:5022' -- which is the principal server
It shows connection ok to me. However, when I type this t-sql on the principal server :
ALTER DATABASE AdventureWorks SET PARTNER = 'TCP://HAN:5023' -- which is the Mirror server
It shows connection ok to me. However, when I type this t-sql on the principal server :
Msg 1418, Level 16, State 1, Line 1
The server network address "TCP://HAN:5023" can not be reached or does not exist. Check the network address name and that the ports for the local and remote endpoints are operational.
I just wondering that why mirror can get a connection to principal but principal can't? Is that any extra configuration especially security settings that needed to be set within the database (MS sql server 2005) ?
I hope I am able to get any assistance from anyone at here and will appreciate on it. Thanx. Anyway, sorry for the inconvenience
Best Regards,
Hans
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This wasn't any help:
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=169777&SiteID=1
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Server A = primary SQL DBs (mirroring origination)
Server B = failover SQL DBs (mirroring destination)
For database mirroring a witness is required.
Can the witness live in another instance of SQL on server B?
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Hi,
Can someone help me on this
When I run simple select query "Select * from Aadata" it works but when I filter with date it doesn't work please see below error:
Error Source : .Net SqlClient data provider
Error Messge: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding
I fixed connection properties:
Connection timeout = 30000
Execution timeout = 30000
Thanks in advance
AA
AA
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May 22, 2007
Hi,
Can someone help me on this
When I run simple select query "Select * from Aadata" it works but when I filter with date it doesn't work please see below error:
Error Source : .Net SqlClient data provider
Error Messge: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding
I fixed connection properties:
Connection timeout = 30000
Execution timeout = 30000
Thanks in advance
AA
AA
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Hello, All!
Good Afternoon!
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I migrate a specific database from another instance with SQL SErver 2000 SP3a too to this new server with more hardware resource than another one.
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I hadn't the same situation in the old instance as I having. I think that it's happening because the other instance was dedicated to this application and that new Instance don't.
In this new Instance I have many other connections simultaneously, about 200 processes.
Anybody knows what's going on? Are there any settings to change this time-out configuration just for a specific connections?
Thanks
Best Regards
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And i was using the below Connection String :
Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Password=sa;Data Source=192.11.11.11.
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Hi,
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Now I can't remotely connect the server through Management Studio. The error I get is the same as some of the people in this forum has which is:
"An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)"
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</connectionStrings>
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