Error 1456 Sql Server 2008
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Sql Server 2012 Error 1456 Mirroring
R2... SQL Server > Database Mirroring Question 0 Sign in to vote Setup is two sql server 2008 r2 mirroring error 1456 2008 R2 Standard servers with a mirrored database. All works fine without a witness - I can perform a manual failover and my test app
The Alter Database Command Could Not Be Sent
works off the failover database.Trying to add 2008 R2 Express as a witness to enable automatic failover, and getting error along the lines of: The ALTER DATABASE command could not be sent to the remote server instance TCP://%witnesserver.fqdn.com:5022. Error 1456 Found a fairly recent fix for SQL 2008 (r1) sql 2012 mirroring error 1456 for this, but not for R2. Is this still a known problem in R2 or am I missing something crucial? All the servers use the same service account for all services (it's proof of concept, not production). Thanks in advance, Neil Friday, September 24, 2010 12:29 PM Reply | Quote Answers 0 Sign in to vote Panic over... DROP ENDPOINT endpointname on the witness server, then re-run the security configuration from the principal ensuring that encryption is the same for the witness as it is for the principal. Neil Marked as answer by LekssEditor Sunday, September 26, 2010 9:27 PM Friday, September 24, 2010 1:23 PM Reply | Quote All replies 0 Sign in to vote Panic over... DROP ENDPOINT endpointname on the witness server, then re-run the security configuration from the principal ensuring that encryption is the same for the witness as it is
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The Alter Database Command Could Not Be Sent To The Remote Server Instance
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Sql Mirroring Witness Error 1456
and get your question answered! Username: Password: Save Password Forgot your Password? All Forums SQL Server 2005 Forums High Availability (2005) Witness error 1456 witness problem - error 1456 Reply to Topic Printer Friendly Author Topic wirtz Starting Member 2 Posts Posted-11/27/2008: 05:28:36 Hello,I have problems to add a witness to my mirroring session.Principal and mirror are in one https://social.msdn.microsoft.com/Forums/sqlserver/en-US/becd0e78-e23d-4200-9fe3-b9575eeffc7f/1456-error-creating-witness-in-sql-server-2008-r2?forum=sqldatabasemirroring domain, witness is another domain. I figured out that I have to use certificates to do the mirroring session.I followed the instructions on msdn... the mirroring itself (principal/mirror) works fine, but when I want to add the witness I get into trouble.I did as the instructions on msdn said: configured the witness for in- and outgoing connections, imported certificates, added logins and users for principal/mirror on the witness and vice versa.I have checked the http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=115288 ports via cmd -> "telnet xx.xx.xx.xx port" and there is no problem connecting on the port used for the endpoints in any direction.But when I run transact sql on the principal to add the witness I always run into an error.ALTER DATABASE db1066xxxxx SET WITNESS = 'TCP://88.xx.xx.xx:5022'the error 1456 occurs:The ALTER DATABASE command could not be sent to the remote server instance 'TCP://88.xx.xx.xx:5022'. The database mirroring configuration was not changed. Verify that the server is connected, and try again.I can definitely connect to the server... telnet works fine and I can even load the witness in the management studio on the principal/mirror... so: what is really the problem?I have already checked several forums and instructions on the internet, but couldn't find a solution... Thanks for your help. Edited by - wirtz on 11/27/2008 05:55:34 sodeep Flowing Fount of Yak Knowledge USA 7174 Posts Posted-11/27/2008: 10:03:35 http://developmentalmadness.blogspot.com/2006/07/adventures-in-mirroring.html wirtz Starting Member 2 Posts Posted-11/27/2008: 11:30:59 Thanks for your response... after some time of struggle I finally managed to solve the problem... in the end it was a network issue.There was an error showing up in sql server log, that was not there before. '...The specified network name is no longer available...'I searched the internet for this error and found a suggestion to enter the IPs and FQDNs into windows\system32\dr
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the http://serverfault.com/questions/337317/cannot-add-witness-to-my-mirroring-setup workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags https://www.youtube.com/watch?v=VHAUtCiN1M4 Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's error 1456 how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Cannot add witness to my mirroring setup up vote 2 down vote favorite I'm trying to set up mirroring with a witness using my 3 dedicated servers running SQL Server 2008 R2. I've set up everything as described sql server 2008 at this blog post Mirroring seems to work fine between the principal and secondary server. But when I run the very last command to add the witness alter database citec_vc_prod set witness = 'TCP://witness_address:witness_port'; I get the following error after a few seconds: Msg 1456, Level 16, State 3, Line 1 The ALTER DATABASE command could not be sent to the remote server instance 'TCP://witness_address:witness_port'. The database mirroring configuration was not changed. Verify that the server is connected, and try again. Also, the event log on the principal shows the following error: The ALTER DATABASE command could not be sent to the remote server instance 'TCP://witness_address:witness_port'. The database mirroring configuration was not changed. Verify that the server is connected, and try again. I've already shut down the firewall on the witness, and I've successfully telnetted from the principal into the mirroring endpoint of the witness server to make sure there is no connectivity problem. Yet, I still get this error. My setup is as follows: Principal: SQL Server 2008 R2 Standard 10.50.1617 Mirror: SQL Server 2008 R2 St
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