When you configure and test the Microsoft® Windows® Server Update Services (WSUS) server connection in the SolarWinds Patch Manager Admin Console, the following error message displays:
Could not connect to server: WSUS. The request failed with HTTP status 401: Unauthorized. WSUSConnection::Unable to connect to the WSUS Server.
All SolarWinds Patch Manager versions
The SolarWinds Patch Manager environment is not set up correctly.
Resolve the issue based on your WSUS configuration.
See the Microsoft TechNet website for more information about troubleshooting 401.1 authentication problems.
If the WSUS server is not configured on the SolarWinds Patch Manager server, perform the following steps to troubleshoot the connection and the error message:
If the user updated the account password on the WSUS server, update the credential in the WSUS credential library. See the Microsoft TechNet website for information about configuring WSUS.
Network access: Do not allow storage of passwords and credentials for network authentication
Network access: Sharing and security model for local accounts
Connect Succeeded displays in the Success window.
Close the window.
In this configuration, you may encounter a loopback security check. This Microsoft security feature prevents applications from using a fully qualified domain name (FQDN) to access web applications hosted on the same server. Perform the following steps to specify the host name mapped to the loopback address.
Back up the SolarWinds Patch Manager server before you edit the Windows Registry with Registry Editor.
DisableStrictNameCheckingregistry entry to
BackConnectionHostNamesand click Modify.
If the issue is not resolved, complete the procedures in the previous section.