I saw this, or something similar to this, when I didn't click the post installation configuration task from the Windows Server management console after adding the WSUS role on 2012.
> On May 3, 2014, at 1:58 PM, Kevin Ray <[email protected]> wrote: > > yes its local and default instance(MSSQLSERVER).. > > I Guess its required to provide the Instance name > > If i keep blank below is the error > > <image.png> > > >> On Sun, May 4, 2014 at 2:20 AM, elsalvoz <[email protected]> wrote: >> Is it remote sql? Turn off FW for testing or make sure the ports are open >> even when local. If using default instance no need t0 specify it. >>> On May 3, 2014 12:23 PM, "Kevin Ray" <[email protected]> wrote: >>> Hi All, >>> >>> When i try to enable the WUSS role in WINDOWS server 2012 64 bit.. I'm >>> getting the below error >>> <image.png> >>> >>> >>> 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: 25 - >>> Connection string is not valid) >>> >>> >>> I can able to open the SQL service , I checked the SQL Instance (select >>> @@servername + '\' + @@servicename) >>> >>> Any help >>> >> > >

