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#1
WindowsAdminCenter does not connect to virtual machine, ajax error 500.
In system logs error (A fatal alert was received from the remote endpoint. The TLS protocol defined fatal alert code is 46.)
Please help
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ChatGPT
The issue you’re encountering with the TLS error fatal alert code 46 and an AJAX 500 error in Windows Admin Center appears to stem from misconfigured or unsupported encryption settings between the Windows Admin Center and the virtual machines it’s managing. Here’s how to troubleshoot and resolve this:
Steps to Resolve
- Verify TLS Protocols (Ensure Compatibility)
- TLS error code 46 indicates that the remote endpoint (the virtual machine) rejected a connection due to an encryption mismatch. Windows Admin Center requires secure protocols to establish a connection.
- Ensure TLS 1.2 is enabled on both the client (Windows Admin Center host) and the managed virtual machine:
- Open
Registry Editorand…
- Open
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#2
The issue you’re encountering with the TLS error fatal alert code 46 and an AJAX 500 error in Windows Admin Center appears to stem from misconfigured or unsupported encryption settings between the Windows Admin Center and the virtual machines it’s managing. Here’s how to troubleshoot and resolve this:
Steps to Resolve
- Verify TLS Protocols (Ensure Compatibility)
- TLS error code 46 indicates that the remote endpoint (the virtual machine) rejected a connection due to an encryption mismatch. Windows Admin Center requires secure protocols to establish a connection.
- Ensure TLS 1.2 is enabled on both the client (Windows Admin Center host) and the managed virtual machine:
- Open
Registry Editorand navigate to:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols - Enable TLS 1.2 by adding the following keys (if they don’t exist):
- Client: Create a DWORD value named «Enabled» and set it to 1.
- Server: Create a DWORD value named «Enabled» and set it to 1.
- Reboot the machine for these changes to take effect .
- Open
- Check Certificates for the Virtual Machine
- If using self-signed certificates, ensure they are trusted by the Windows Admin Center host machine:
- Export the certificate from the virtual machine.
- Import this certificate into the Trusted Root Certification Authorities store on the Admin Center host.
- If using self-signed certificates, ensure they are trusted by the Windows Admin Center host machine:
- Update Browser
- Ensure you’re using a supported browser (Microsoft Edge or Google Chrome) since older versions may struggle with updated TLS configurations .
- Enable HTTP/2 if Required
- Some communication protocols via Windows Admin Center’s integrated services require HTTP/2.
- Confirm its settings in the registry:
- Enable
HTTP/2support at:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HTTP\Parameters - Create or set
EnableHttp2Tlsto1andEnableHttp2Cleartextto1. Reboot the machine afterward .
- Enable
- Update Windows Admin Center and Remote Machines
- Make sure that both Windows Admin Center and the target virtual machine are fully updated. Outdated system configurations or versions can cause compatibility issues.
- Logs and Deeper Diagnostics
- Review system and application event logs for further SSL or certification errors.
- Use
Event Viewer: - Navigate to:
Applications and Services Logs > Microsoft > Windows > Schannel.
- Use
- Review system and application event logs for further SSL or certification errors.
- Firewall and Port Configuration
- Check if firewalls on both sides are blocking the communication ports:
- Use
Test-NetConnectionin PowerShell to ensure port connectivity:
Test-NetConnection -ComputerName <VM-IP> -Port <WAC-Port>
- Use
- Check if firewalls on both sides are blocking the communication ports:
Follow these steps methodically, as they are likely to address the root causes of the TLS rejection and AJAX error. If issues persist, feel free to provide detailed logs for further refinement of the solution!
Windows 10: Fix Windows Admin Center connection errors
Discus and support Fix Windows Admin Center connection errors in Windows 10 News to solve the problem; Windows Admin Center enables management of Windows Server instances from any location, whether on-premises, in Azure, or across various cloud…
Discussion in ‘Windows 10 News’ started by WinClub, Dec 29, 2024.
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Fix Windows Admin Center connection errors
Windows Admin Center enables management of Windows Server instances from any location, whether on-premises, in Azure, or across various cloud environments. However, users face many connection issues when accessing the utility. In this post, we will see how to resolve the Windows Admin Center connection errors like Microsoft.PowerShell.LocalAccounts This site/page can’t be reached error Can’t […]
This article Fix Windows Admin Center connection errors first appeared on TheWindowsClub.com.
read more…
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admin password?
You can reset the Admin Password using Windows XP repair; See Here for step by step.
*Toast :toast:
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Cannot open network and sharing center in windows 10
Hi Aman,
In order to understand the issue in a better manner, please share the following details
- Do you get any error message, when trying to open network and sharing center?
I suggest you to follow the steps below to fix the issue.
Method 1: Install all the Windows 10 pending updates and check if it helps.
I suggest you check for the pending updates in resolving the issue.
- In search type Check for updates and hit enter.
- Click on Check for updates.
- Windows 10 will automatically install all the pending updates.
If the issue still persist, suggest you to try the below step to fix the issue.
Method 2: I suggest you to
Run the DISM Tool and check.The DISM tool checks the system health and will try to restore the files.
- Right click on the Start button, click on Command Prompt (Admin).
- In the Administrator: Command Prompt window, type the following commands. Press the
Enter key after each command: - DISM.exe /Online /Cleanup-image /Scanhealth
- DISM.exe /Online /Cleanup-image /Restorehealth
To close the Administrator: Command Prompt window, type
Exit, and then press Enter.Reference: I suggest you to follow the steps recommended in the below article for any network connection issues.
Fix Wi-Fi connection issues in Windows — Microsoft Support
Hope this helps. If the issue persists, please do let us know and we would be happy to help you further.
Thank You.
-
Fix Windows Admin Center connection errors
Fix Windows Admin Center connection errors
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Description
Hi,
wie have issues to register https://admincenter.jumpstart.local/ in Azure.
When we try create a new Active Diretory Apllication, we get:
«
_Source
Go to source. (https://admincenter.jumpstart.local/settings/azure)
Type
Error
Message
Couldn’t register application ‘WindowsAdminCenter-https://admincenter.jumpstart.local’ in Azure Active Directory. Error: ajax error 500_
«
When we create the Apllication WindowsAdminCenter and set the permissions we get:
A registered application with the ID ‘xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxx’ was not found.
Had anyone success registering https://admincenter.jumpstart.local/ (version 2211 Build 1.4.2212.08003) from Jumpstart HCI (22H1)?
Any hints to see in logs or something else why it fails?
Can it be redistered using a command line?
Regards,
Stefan
Windows Admin Center enables management of Windows Server instances from any location, whether on-premises, in Azure, or across various cloud environments. However, users face many connection issues when accessing the utility. In this post, we will see how to resolve the Windows Admin Center connection errors like
Microsoft.PowerShell.LocalAccounts
This site/page can’t be reached error
Can’t connect securely to this page
You are not authorized to view this page
The following are the Windows Admin Center connection errors that we are going to discuss in detail.
Microsoft.PowerShell.LocalAccounts
If the installer fails to receive the message: The Module ‘Microsoft.PowerShell.LocalAccounts’ cannot be loaded. This can happen if the default PowerShell module path has been modified or removed. If you want to resolve it, check your PSModulePath environment variable and make sure that %SystemRoot%\system32\WindowsPowerShell\v1.0\Modules is the first item.
To resolve this issue, you can run the following command in PowerShell’s elevated mode.
[Environment]::SetEnvironmentVariable("PSModulePath","%SystemRoot%\system32\WindowsPowerShell\v1.0\Modules;" + ([Environment]::GetEnvironmentVariable("PSModulePath","User")),"User")
This site/page can’t be reached error
If you get a message saying the site or the page can’t be reached in your web browser, you need to first check if Windows Admin Center Desktop/SmeDesktop.exe is running in the Task Manager > Services if you have installed the utility as an app. If it is not running, restart it and see if it is crashing. Also, check if there is a Windows update available. You should also ensure that Windows Admin Center opens in either Edge or Chrome. If it opens with a different browser, change your default browser.
If you have installed Windows Admin Center as a default gateway, update the client and the server. Make sure that ServerManagementGateway/Windows Admin Center is running in the Task Manager. Finally, you can test the network connection to the Gateway using the following command, make sure to run in PowerShell (elevated mode).
Test-NetConnection -Port <port> -ComputerName <gateway> -InformationLevel Detailed
- Test-NetConnection: The cmdlet for testing network connections.
- Port <port>: Specifies the port number you want to test.
- ComputerName <gateway>: Specifies the name or IP address of the remote computer or gateway.
- InformationLevel Detailed: Provides detailed output, including diagnostic information about the connection.
This command is helpful for troubleshooting network issues, verifying port accessibility, and ensuring that specific services are reachable on a remote machine.
If you are using Windows 10 version 1703 or earlier, Windows Admin Center is not compatible with your version of Microsoft Edge. Upgrade to a newer version of Windows 10 or use Google Chrome. If you are on an insider preview version with a build between 17134 and 17637, a known bug may cause issues. Please switch to a supported version of Windows to fix this.
Additionally, you need to check if the Windows Remote Management (WinRM) Service is running. Open the Services app, look for Windows Remote Management (WinRM), double-click on it, and check if it’s running, if it’s stopped, click on the Start button and set its Startup type to Automatic.
Hopefully, this will resolve the issue for you.
Can’t connect securely to this page
Can’t connect securely to this page
This might be because the site uses outdated or unsafe TLS security settings. If this keeps happening, try contacting the website’s owner.
If you can’t connect securely to this page, your machine is restricted to HTTP/2 connections, and Windows Admin Center’s integrated Windows authentication is not supported with HTTP/2. To remove these restrictions, we need to add two registries. To do that, follow the steps mentioned below.
- First of all, backup Registry, so that if something wrong happens, we can restore it.
- Then, open the Registry Editor, and go to
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HTTP\Parameters. - Right-click on the space and click on New > DWORD (32-bit) value.
- Name it EnableHttp2Cleartext and then set its value to 0.
- Then, create a new value, EnableHttp2Tls, and set it to 0 as well.
Finally, reboot your machine and check if the issue is resolved.
You are not authorized to view this page
You are not authorized to view this page. If you recently updated Windows Admin Center, you may need to restart your browser, and then refresh the page.
When launching Windows Admin Center for the first time, ensure you select the Windows Admin Center Client certificate. Choosing another certificate will cause an error. If you encounter errors, restart your browser and select the correct certificate. If issues continue, clear your browser cache, switch browsers, or consider uninstalling and reinstalling Windows Admin Center.
Read: How to configure Secured-core Server for Windows Server
Why is my connection not private in Windows Admin Center?
The “connection is not private” error in Windows Admin Center usually occurs due to SSL certificate issues. If you are using a self-signed certificate, browsers like Microsoft Edge and Google Chrome will flag the connection as insecure, so installing a valid SSL certificate from a trusted certificate authority (CA) can fix this. Additionally, an expired SSL certificate will cause this error, which can be resolved by renewing the certificate. Lastly, ensure that the certificate is correctly installed and configured in the Windows Admin Center to avoid this issue.
Read: How to install and configure Windows Admin Center
How do I restart Windows Admin Center service?
You can restart the Windows Admin Center Service from the Services app. Open the Services app, search for Windows Admin Center, right-click on it, and select Restart. This will resolve the issue that you might be facing.
Also Read: Connect Windows Server to Azure.