Setup And Upgrade :: Opening Port 1433 Between 2 Clustered Instances?
Nov 23, 2015
We have 2 clustered SQL instances (2 physical servers in each cluster). Instance2 needs to be setup as a linked server on Instance1.
At this time port 1433 between them is not open. I am referring to the port on the network switch, not in the Windows Firewall (ports in Windows Firewall are already open).
Is opening the port between virtual IP-s sufficient? Or does port need to be open between all physical source/destination IP-s as well?
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Jun 21, 2015
SQL Server 2012 two node single instance cluster.
For DB access from application severs, do we need to open port (1433) for NODE IPs too ?
Or is it enough if we open the port 1433 only for VIRTUAL IP ?
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Jul 27, 2015
i setup a 2 node sql cluster but 1433 is not listening. I check sql configuration manager and entered 1433 for all ip addresses restarted services but still not 1433
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Jul 31, 2014
I installed a default SQL Server 2012 instance on Windows Server 2012.I enabled the SQL Browser and changed the TCP port of the instance to 1435. I changed port 1433 to 1435 I was able to connect to the instance using SSMS on another server. Now I have to enter Servername,1435 to make a connection.Why does the SQL Browser not resolve the servername to the right IP address and port 1435? Why am I not able to make a connection when I enter the servername or <servername>MSSQLSERVER? Is a SQL Browser only resolving named instances?This works fine for a named instance. Is there something special about default instances or the SQL Browser?
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Sep 22, 2015
I have a named sql instance on SQL 2012. The issue is that the clients is having problem connecting to it when the firewall is on, this is not consistent. The connection is fine when I disabled the firewall. When I turned the Windows firewall back on, it will work for awhile and it fails. I checked the SQL configuration manager and saw that a dynamic port is assigned to the named instance. I did put that in the firewall rule and unblock it. I also put TCP 1433 and 1434 as well as the browser service port, TCPUDP 2382 and it still didn't work.What is the best way to determine what port does the named instance are listening?
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Jun 5, 2015
I've a SQL server 2014 setup on a server recently. Can I add a new(second) instance to the SQL server (already running one instance)?
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Nov 30, 2015
Will installing another instance restart other instances?Server is Windows Server 2012 R2, SQL Server is 2012.
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Feb 27, 2013
I installed a SQL server 2008 R2 on a 64 bit Stand alone system today morning
Now I am trying to apply SP1 on it. But it is not progressing further with the below. How to overcome this issue.
Note: Cluster services not installed on this server. Cluster service is not there in the services.msc as well.
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Jun 9, 2015
Have a production server, 12 Enterprise, and we are adding a new app to an existing instance. Â Next app needs SSRS and that was not put in the install request a year ago for the instance. Â
I do not think a reboot is required but have been wrong before. There are no SPs applied to this server and only last week we were given go ahead from one app vendor to apply SPs. Â That would have been done in monthly maintenance cycle next weekend. Â Our test server is doing just fine with all apps on SP1.
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Aug 25, 2015
We have installed 2014 sql server on a stand alone VM and can create alerts without issue. We recently did a cluster install of 2014, and when trying to create alerts get the following error:
Msg 14262, Level 16, State 1, Procedure sp_verify_performance_condition, Line 52
The specified object_name ('Databases') does not exist.
Specifically, we are trying to create a database alert on percent log used that will kick off a job to back up the log.
We are on Windows 2012R2 o/s. In the drop downs in SSMS under alerts, we do not have all the options we have in the stand alone instance - they are not there. Is this a bug? Is there a CU?
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May 14, 2015
How can i add additional SQL server instance to existing clustered environment on SQL 2005.
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Oct 7, 2015
If I install a new named instance of SQL Server 2008 R2 on a machine that already has 3 named instances that are upgraded to service pack 3, will the install of the new instance overwrite any of the current SP3 files? Will I have to re-apply SP 3 to the existing instances?
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Jun 7, 2000
Ok,
The Scenario is as follows:
24/7 Production Call Centre server running NT4.0 and SQL 6.5 with all the latest service packs.
SQL mail fails(with dull regularity) and the SQL server services stop.
When the SQL server Services are restarted an error message appears stating that Port 1433 is in use after which nobody can connect via TCP/IP. Obviously the port believes the previous SQL session is still running, and won't release the port to the "New Application requesting it".
On a unix system you can force a port reset so you don't need to shutdown and restart the box. Can you do this from either SQL or NT?
Any solutions would be greatly appreciated the DBA's are 100 Miles from the Servers, so restarts are reliant on other people!
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May 4, 2001
Does anyone have an idea on why when using IP with port 1433 that on the SQL 2000 Server a bind failure happens on port 1433 and are not able to get to the SQL using IP but you can use Named Pipes.
Would greatly appreciate any help.
Walter
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Feb 2, 2004
Did a search on port 1433 but nothing came up in the search.
This question is more geared to DBAs more then SQL developers.
I have a SQL 2000 server on a win2k3 machine. For some reason it will not listen in on TCP port 1433.
Shared memory and Named Pipes do though.
I checked the Server Network Utility and I see TCP/IP listed right under Named Pipes and I see that the default port is 1433.
Any ideas how to get SQL to listen on that port?
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Apr 29, 2008
i am asked to change the default port 1433 to some other name by the audit team.
is it safe to change the port in cluster mode.
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Dec 15, 2000
Does anyone know how to change the default port number of 1433 to somethinig else?
Thanks!
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Apr 22, 2004
How many people have actually change their sql port from 1433 to something else
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Apr 30, 2001
I have sql server that get the following error on error log.
SuperSocket Info: Bind failed on TCP port 1433.
This error forces client to use Named Pipe to connect to SQL Server.
Does anyone how to fix this error.
Thank You,
John
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Apr 10, 2015
So, I have 2 laptops, both with standalone SQL Server 2012 Management Studio.
laptop 1 can connect to my remote server on xxx.xxx.xxx.xxx,1433
laptop 2 cannot connect through management studio - but can connect directly from the development website on this machine.
I get error 18456, cannot connect to server and login failed for 'user'
Firewall on or off has no effect.
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Nov 26, 2005
Witam!Mam problem z polaczeniem sie z baza danych po TCP/IP przez port domyslny1433, nie mozna sie telnetowac ani nic z nim zrobic, poprostu niezyje. Portjest zamkniety i nijak nie moge go zmusic do jakiejkolwiek komunikacji nawetpo localhoscie. Skaner portów wykrywa go jako zamkniety. Czy wiecie moze jakten port otworzyc i zmusic go do komunikacji z baza danych? OS win2k3,MSSQL2000 Server.PozdrawiamHello!I have a problem with a TCP/IP connection to Data Base through the 1433port. I cannot telnet on this port even on localhost. My firewalls aredisabled but port scanner see the port as closed. Protocol TCP/IP on theMSSQL Server is enabled and it's not hidden, so I don't know what I shouldto do. My configurations: Win2k3 Server, MSSQL Server 2000Thx for answers.
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May 17, 2007
Been having SQL Server 2000 running for some time now, but recently it stopped listening on TCP port 1433, the log reports its listening on shared memory, Named pipes and Rpc, but no sign of 127.0.0.1 port 1433 or any errors to say why it won't listen.
I've done a netstat -na and nothing else is listening on that port, tried restarting using the enterprise manager, gonna try restarting the entire Server when everyone has gone home, but I'm pretty sure its been restarted recently.
All the other archive logs going back a few days show its not listening.
Yes, I have used the Server network utility to make sure TCP/IP is enabled and set to 1433, even added a comma and 1434 to see if it will listen on multiple ports, no go.
Any help?
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Jun 20, 2004
I want to know how to check whether SQL Server 2000 can listen to port 1433 or not. If I run netstat -a, am I suppose to see port 1433 regardless of what service pack I have applied to SQL Server 2000?
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Jul 20, 2005
for some reason i dont get any errors, but i believe that my server isnot running on port 1433. the tcpip protocol is selected in thenetwork configuration utility as well as name piper. the portselected is 1433. but when i telnet to 1433 i get the same errors as iwould if i telnet to a non existant port. i also tried nbstat with noluck. what else can i do? thanks
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Jun 13, 2006
Hi,
Does SQL mobile require port 1433 to be open for RDA? I was under the impression that all synching occured through port 80. But when 1433 is restricted a connection cannot be completed.
I may be missing something really simple. My understanding of tcp/ip networking concepts are not very solid.
Thanks,
Tony.
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Jun 13, 2002
I have installed MS server sql 7.0 and 2000 both on my PC. The default port i know is 1433. If sql 7.0 is already installed. Which port does sql 2000 listen on.
Is there a way i can view this ?
Thanks in advance
Cheers
Hemant
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Jan 11, 2001
I've got SQL 2000 set up on a cluster running Windows 2000 Advanced Server (w/SP1).
Setup for Failover Clustering appeared to succeed normally on both nodes.
The SQL 2000 server logs show:
2001-01-11 10:02:57.82 server SuperSocket Info: Bind failed on TCP port 1433.
2001-01-11 10:02:57.85 server SQL server listening on Shared Memory, Named Pipes.
2001-01-11 10:02:57.85 server SQL Server is ready for client connections
I've checked to see if something else is using port 1433 (unlikely) and don't see anything.
The physical node that SQL 2000 is currently on has no other cluster resources assigned to it.
Any ideas?
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Feb 19, 2015
Version: SQL SERVER 2012 enterprise edition and SP2.
Due to one of the security reason, I have changed default port 1433 to another port number in configuration manger tools->protocols for MSSQLSERVER->TCP/IP --> IP ALL section mention another port number.
After restarted service, SQL SSMS able to connect server itself and new port number also LISTENING.
But SQL client SSMS not connected to one of the PC side after changing default port.
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Jul 23, 2005
Hi. I'm a SQL Server novice, so apologies if any of this sounds simple.I am running Windows XP SP2, and have just installed SQLServer 2000. Ineed another application to connect to SQLServer, and am specifying itto do so via localhost:1433, but keep getting an error whenever I trydoing so saying it cannot connect to the database. A colleague of minehas the exact same set up on his machine, and he can connect to SQLServer fine. Running 'netstat -a' at the command line on his machinereveals that the system is listening to port 1433/ms-sql-s. Runningnetstat on my machine shows that the system is not listening to1433/ms-sql-ms. I have checked in Network Config in SQLServerEnterprise Manager, and TCP/IP is set to be using 1433.To confirm this, my application can connect over the network to mycolleague's SQL Server. but he cannot connect over the network to mine.So I'm pretty sure the issue is related to this 1433/ms-sql-s problem.Does anyone know how to resolve this? Many thanks.
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Jul 20, 2005
HiI have a question regarding the SQL Server(SQL Server 7) port 1433.Some body is trying to hack into our Windows 2000 server through port1433. Is there a way i can close this port? I tried using a toolcalled Ipsecpol.exe ( Internet Protocol Security Policies Tool). Butwhen we run netstat, it still looks like they are able to connect tothe server using port 1433. Has anyone come across this problem? Iwould appreciate it very much if somebody could send in anysuggestions regarding this.Thanks,Ann
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Sep 21, 2006
I'm working on a completely virgin install of SQL Server 2k in Windows 2003.
Just after install I check that the TCP/IP protocol is enabled under the
server properties and then I try to Telnet into port 1433. On this one
particular box I get back the following:
C:>telnet localhost 1433
Connecting to localhost...Could not open connection to the host, on port
1433: Connect failed.
For comparison I tested telnet on a couple other machines and I get back a
blank window ready for my commands, as I'd expect.
I've checked the firewall settings and other IP Filtering settings to see if
any of those were blocking traffic to 1433... nothing. I've triple checked
the SQL Server settings for any "problems" and nothing jumps out at me.
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Aug 13, 2015
I'm trying to make a SSAS default instance available over the internet. I've opened the 2383 port on the server, and I can access it through SSMS using the local ip. I've also attempted to open and map the port on my router, and if I go to [URL] .... it says it's open. If I turn off the server, it says the port is closed, so I think it's routing correctly to the server.
However, when I plug my internet IP address into SSMS, it says
"A connection cannot be made. Ensure that the server is running. No connection could be made because the target machine actively refused it IPADDRESS:2383"
It says the same thing if I give it a random, closed port.
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Sep 20, 2007
I have several 64 bit SQL 2005 servers that up to 4 named instances residing on them. Before going into production I need to change the port addressing to use fixed TCP ports. I have SQL Browser running to enbale me to see the named instances.
What steps are required to change to using specific TCP port addresses and is there a particular range to use ?
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