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Customer has SBS 2011 with Exchange 2010, working fine for few years. But now, few weeks ago, clients (not all, but some!) with Outlook begun experiencing problems when connecting to SBS local Exchange from outside: There is a problem with the proxy server's security certificate. The name on the security certificate is invalid or does not match ...
Proxy server can be found in the Internet option in Control Panel. You can follow these steps to check it: Click on Start. Type Control Panel. On the top-right corner of the Control panel, set View by to Small icons. Click on Internet Options. Internet Properties window will open. Select Connections tab. Under Local Area Network (LAN) settings ...
To the right of it, select Run as administrator. Enter the following commands one by one and press Enter to execute them: netsh winsock reset. netsh int ip reset. ipconfig /release. ipconfig /renew. ipconfig /flushdns. After the execution is complete, restart your device to verify that the problem still exists. 3.
Select Internet Settings > Local LAN Settings >Proxy Server Settings. Select the option to make use of a proxy server, and enter the Server Address and Port. Setting up the credentials for the Proxy Server: In Windows 10 menu, go to Settings (WinKey+I) and search for "Credential Manager". Under Windows Credentials, add a new entry for Windows ...
Try these steps: 1. Press Windows Key + R and type inetcpl.cpl in the Run dialog box, to open Internet Properties. 2. Next, in Internet Properties window, switch to Connections tab. Click LAN Settings button. 3. In LAN Settings window, uncheck the Use a proxy server for your LAN option. Then check Automatically detect settings option.
However, since you're using an Exchange Server it would be best to get the appropriate resolution and support regarding this matter in TechNet forum page. This can help you get the most qualified pool of respondents and other partners who regularly read the forums. Should you have any other concern, don't hesitate to post back in the community.
The full text is: "There is a problem with the proxy server's security certificate. The name on the security certificate is invalid or does not match the name of the target site outlook.office365.com. Outlook is unable to connect to the proxy server.
I farmated yesterday my PC for this reason and the problem was solved I could edit proxy settings then I continued installing my work programs and other stuf and today found out that proxy setting don't work again I can't save them, I click save I exit the window and when I come back it's reseted to empty, I tryed a lot of solutions like redit ...
All of sudden 2 of laptop users are facing issue with their and outlook connecting to Exchange server. when they are in corporate network outlook works fine. but when they try to access it from other network ( from home or some remote location)
Here are some steps you can try: - Method 1: Disable network proxy through Settings app. 1. Click on Start, select Settings and navigate to Network & Internet > Proxy. 2. Under Automatic proxy setup, switch on the Automatically detect settings option. 3. Under Manual proxy setup, disable the Use a proxy server option.