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Hyper V Server 2019 VM Paused-Critical Disk(s) encountered critical IO errors
I am running Hyper V server 2019 and running 2 windows 10 VM (only OS running) and 1 Windows server essentials 2019. It worked fine for 6 months just running basic AD tasks. a management software was installed and we had issues since. The 2 windows 10 VM can't start up. An error occurred while attempting to start the selected virtual machines 'Windows 10 VM' failed to change state When I starte the windows server 2019 essentials a Paused-Critical shows on STATE and Status is 'Disk(s) encountered critical IO errors. there's plenty of available storage space in the VM Can anyone help? thank youTemoRiveraDec 05, 2025Copper Contributor24KViews0likes2CommentsUnable installing extensions from a different feed
I added a new feed from a path, and WAC is telling me it can't read the feed or update the corresponding catalog. I followed the instructions in this link: "https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/configure/using-extensions#installing-extensions-from-a-different-feed". In fact, since my network isn't connected to the internet, I also followed the instructions in this other link: "https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/configure/using-extensions#installing-extensions-on-a-computer-without-internet-connectivity". Regarding adding a file share as a source, it must meet the criteria outlined in this link: "https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/configure/using-extensions#installing-extensions-from-a-different-feed". However, I'm getting these error messages and therefore don't have any extensions available to add:JCSRDec 05, 2025Copper Contributor16Views0likes0CommentsWindows Admin Center 2410 not updating Server 2025
Hi, I have 3 new 2025 servers all updated and on the domain. Windows Admin center is working fine with all other servers (2012, 2016, 2019, and 2022). For these 3 new servers, I can connect and login through Adm Center and when I choose the "updates" tab the circle in the middle of the screen spins indefinitely. It never even shows if updates are available or not, it just spins. If I log onto the servers locally, I can see and install updates manually. But when I go back and connect through ADM Center, I just get the spinning circle. I currently only have 3 2025 servers, so for me it appears to be an issue with how they talk to ADM Center concerning updates. (and this makes me hesitate to update other servers) I've tried RDP, registry, Powershell, etc (all through ADM Center). It ALL works, but updates never do. Additionally the 2025 servers are able to communicate just fine to report update status to our WSUS server. If I click the "update history" tab on the updates page in Admin Center, I then see an error, but not sure what would be denying anything, when the connection already seems to be made: "Message We couldn't check update history. Error: (1) RemoteException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) (2) RemoteException: The property 'ServerSelection' cannot be found on this object. Verify that the property exists and can be set. (3) RemoteException: You cannot call a method on a null-valued expression. (4) RemoteException: You cannot call a method on a null-valued expression." I tried to temporarily disable the firewall with no change in behavior. The account I'm using is a domain admin account and also added to the local admin group for testing.HucklebarryDec 05, 2025Copper Contributor158Views1like2CommentsVM Load balance is not working
Hi All, I have 4 node cluster in which VMs are manually distributed and now when i enabled the load balance feature via Windows Admin Center it not load balancing the VMs i double checked the load feature via PowerShell and it shows true. kindly suggest form where i should start the troubleshooting.rajneeshsaraswatNTTDec 05, 2025Copper Contributor64Views1like3CommentsAdmin Center choosing the wrong certificate
Windows Admin Center version 2410, build 2.4.2.1. We're encountering an issue following the instructions outlined https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/configure/update-certificate?tabs=powershell when replacing the WAC certificate. We've installed a certificate from a third-party CA in the local machine store. The common name matches the DNS FQDN and hostname of the server. Despite specifying the thumbprint of the 3rd party CA cert with the "Set-WACCertificateSubjectName" cmdlet, WAC binds to a different certificate issued by our internal CA for WinRM. The WinRM cert shares the same common name, but it has a later expiration date. I suspect WAC is picking the certificate with the latest expiration date. This also happens when using the GUI, even when we specify the 3rd party cert during customization. We've confirmed that the NETWORK SERVICE account has rights to the private key on the cert as well. I tried deleting the binding using netsh and rebinding to the updated thumbprint. While this is successful, and the output from "netsh http show sslcert" shows the 3rd party CA cert on the port 443 binding, the browser still presents the Internal-CA cert on 443 even after restarting the WinRM and Windows Admin Center services (and rebooting). It seems like there is an issue when multiple valid certificates exist with the same common name in the machine store. Additionally, the "Set-WACCertificateAcl" seems to fail in this case. The Configuration log contains the error below whenever it is run. Set-WACCertificateAcl: Unable to find machine key path for certificate. Skipping setting access control list. We'd prefer to use the 3rd party cert for the HTTPS port and the internal CA cert for WinRM. Is this possible?SolvedchapbakDec 02, 2025Copper Contributor55Views0likes1CommentLanguage Bug
I'd like to report a bug between WS2025 (english version not affected) and WAC. I tried to download Windows Server 2025 evaluation Italian version from https://www.microsoft.com/en-us/evalcenter/download-windows-server-2025?msockid=1c4d54ba113b6b020d1942b710e66a95, I installed all the updates, installed WAC App, present in start (but also by downloading from the website) once the procedure was completed the WAC website opens in Edge but the "Sign in" button does not send any command. there is a problem translating a command because it is accentedghost_aleNov 06, 2025Copper Contributor42Views0likes0CommentsHow to managed Active Directory using Windows Admin Center
Hello, Can I manage Active Directory using Windows Admin Center ? If yes, please provide the link to give me the documentation on the same. I can see that the Active Directory extension is in preview stage: https://docs.microsoft.com/en-us/windows-server/manage/windows-admin-center/use/manage-servers#active-directory-preview but this document is dated 2019. Any help on the above mentioned is appreciated. Thanks Sushanth AminsushanthaminNov 01, 2025Copper Contributor9.9KViews0likes2CommentsUsing Active Directory Extension on Member Server
Hello WAC fellows, Is it possible to use the Active Directory extension on Member Server (with RSAT-AD-Tools installed) instead of connecting directly to a Domain Controller? I'd like to let users do certain tasks using an AD-Frontend of WAC, but I don't want to give them any kind of permission on the Domain Controllers. Ideally they would connectto a Management-Server using WAC and edit the AD using the AD-Extension. Any ideas?ms638Nov 01, 2025Copper Contributor1.4KViews1like2CommentsConnect to VM on Hyper-V server
I can't connect to a VM running on top of hyper-V server 2019. It just spins at connecting. Downloading the RDP file and connect that way works fine so it seems to be an admincenter issue. Admincenter: 1910, OS: Hyper-V server 2019matsmcpOct 05, 2025Iron Contributor817Views0likes2Comments
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