DOCUMENT:Q133250 27-JUL-2001 [sms] TITLE :Unable to Connect to SQL Server If Default Protocol Is Changed PRODUCT :Microsoft Systems Management Server PROD/VER:winnt:1.0,1.1,1.2,4.2x,6.0,6.5 OPER/SYS: KEYWORDS:kbinterop kbnetwork kbsetup kbsmsAdmin smsadmin smssetup ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Systems Management Server versions 1.0, 1.1, 1.2 ------------------------------------------------------------------------------- SYMPTOMS ======== When you change the default network protocol in the SQL Client Configuration Utility, one of the following error messages appears in the SQL Server Administrator or Systems Management Server Administrator program: - Unable to connect: SQL Server is unavailable or does not exist. Specified SQL Server not found. - Couldn't connect to server . Additionally, after changing the default network protocol, Setup may fail, with the following error message in the Smssetup.log when upgrading from Systems Management Server 1.0 or 1.1 to version 1.2: Registering connects for XXXXXX (server name) sa (default value) SMS (default value) Registered the types Upgrade thread: Failed to register SQL connection types. RESOLUTION ========== To correct this problem, perform the following steps: 1. Run the SQL Client Configuration utility. 2. Click the Net Library tab. 3. Click Named Pipes as the Default Network for the Net Library Configuration (by default, SQL Server is configured for Named Pipes). -or- Click the Advanced tab and type the server name of the SQL server containing the SMS database, and click Named Pipes as the DLL Name. Then, click Add/Modify. Additional query words: prodsm sms ====================================================================== Keywords : kbinterop kbnetwork kbsetup kbsmsAdmin smsadmin smssetup Technology : kbSMSSearch kbSMS100 kbSMS110 kbSMS120 Version : winnt:1.0,1.1,1.2,4.2x,6.0,6.5 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.