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Windows Server 2019 Administrator access gone
I recently was using Windows Server 2019 Evaluation version, everything working great. Then purchased full license and upgraded it with the license. Now I am unable to do anything because the Administrator account is inaccessible. I can't even restart the server without having to power off. Any help would be appreciated.Windows Admin Center fail to work after installing June cumulative update
I installed June cumulative update patch in 11/6 Log Name: System Source: Microsoft-Windows-WindowsUpdateClient Date: 2025/6/11 10:14:09 Event ID: 43 Task Category: Windows Update Agent Level: Information Keywords: Started, Installed User: SYSTEM Computer: DC-MASTER.test.microbin.cn Description: Installation Started: Windows has started installing the following update: 2025-06 Cumulative Update for Microsoft server operating system version 24H2 for x64-based systems (KB5060842) Event Xml: <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Microsoft-Windows-WindowsUpdateClient" Guid="{945a8954-c147-4acd-923f-40c45405a658}" /> <EventID>43</EventID> <Version>1</Version> <Level>4</Level> <Task>1</Task> <Opcode>13</Opcode> <Keywords>0x8000000000002008</Keywords> <TimeCreated SystemTime="2025-06-11T02:14:09.6577485Z" /> <EventRecordID>125631</EventRecordID> <Correlation /> <Execution ProcessID="22092" ThreadID="27544" /> <Channel>System</Channel> <Computer>DC-MASTER.test.microbin.cn</Computer> <Security UserID="S-1-5-18" /> </System> <EventData> <Data Name="updateTitle">Applies to x64-based 2025-06 Cumulative Update for Microsoft server operating system version 24H2 of the system (KB5060842)</Data> <Data Name="updateGuid">{dc616f05-dd63-47e3-9365-ff4bc05397eb}</Data> <Data Name="updateRevisionNumber">1</Data> </EventData> </Event> and after restarting OS and get ApplicationError of Windows Admin Center. Starting the Windows Admin Center service and went to browser then get error "ERR_CONNECTION_CLOSED". Log name: Application Source: Application Error Date: 2025/6/11 10:32:31 Event ID: 1000 Task Category: Application Crash Event Level: Error Keywords: User: SYSTEM Computer: DC-MASTER.test.microbin.cn Description: Faulting application name: WindowsAdminCenterAccountManagement.exe, version: 2.4.2.1, time stamp: 0x674f0000 Faulting module name: KERNELBASE.dll, version: 10.0.26100.4061, time stamp: 0xe6128e90 Exception code: 0xe0434352 Error offset: 0x00000000000c9f0a Faulting process ID: 0x2B94 Faulting application start time: 0x1DBC4776EBA8992 Faulting Application Path: C:\Program Files\WindowsAdminCenter\Service\WindowsAdminCenterAccountManagement.exe Faulting Module Path: C:\WINDOWS\System32\KERNELBASE.dll Report ID: 91c0debe-943e-426b-a15b-646e6545e2ba Faulting Package Full Name: Faulting Package Relative Application ID: Event Xml: <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Application Error" Guid="{a0e9b465-b939-57d7-b27d-95d8e925ff57}" /> <EventID>1000</EventID> <Version>0</Version> <Level>2</Level> <Task>100</Task> <Opcode>0</Opcode> <Keywords>0x8000000000000000</Keywords> <TimeCreated SystemTime="2025-06-11T02:32:31.6246703Z" /> <EventRecordID>772255</EventRecordID> <Correlation /> <Execution ProcessID="31216" ThreadID="31368" /> <Channel>Application</Channel> <Computer>DC-MASTER.test.microbin.cn</Computer> <Security UserID="S-1-5-18" /> </System> <EventData> <Data Name="AppName">WindowsAdminCenterAccountManagement.exe</Data> <Data Name="AppVersion">2.4.2.1</Data> <Data Name="AppTimeStamp">674f0000</Data> <Data Name="ModuleName">KERNELBASE.dll</Data> <Data Name="ModuleVersion">10.0.26100.4061</Data> <Data Name="ModuleTimeStamp">e6128e90</Data> <Data Name="ExceptionCode">e0434352</Data> <Data Name="FaultingOffset">00000000000c9f0a</Data> <Data Name="ProcessId">0x2b94</Data> <Data Name="ProcessCreationTime">0x1dbc4776eba8992</Data> <Data Name="AppPath">C:\Program Files\WindowsAdminCenter\Service\WindowsAdminCenterAccountManagement.exe</Data> <Data Name="ModulePath">C:\WINDOWS\System32\KERNELBASE.dll</Data> <Data Name="IntegratorReportId">91c0debe-943e-426b-a15b-646e6545e2ba</Data> <Data Name="PackageFullName"> </Data> <Data Name="PackageRelativeAppId"> </Data> </EventData> </Event> Log name: Application Source: Application Error Date: 2025/6/13 10:02:59 Event ID: 1000 Task Category: Application Crash Event Level: Error Keywords: User: NETWORK SERVICE Computer: DC-MASTER.test.microbin.cn Description: Faulting application name: WindowsAdminCenter.exe, version: 2.4.2.1, time stamp: 0x674f0000 Faulting module name: KERNELBASE.dll, version: 10.0.26100.4202, time stamp: 0xfc5b8f29 Exception code: 0xe0434352 Error offset: 0x00000000000c85ea Faulting process ID: 0x75C8 Faulting application start time: 0x1DBDC0748F8CFA8 Faulting Application Path: C:\Program Files\WindowsAdminCenter\Service\WindowsAdminCenter.exe Faulting Module Path: C:\WINDOWS\System32\KERNELBASE.dll Report ID: 80f0b279-ffe4-4584-ac22-cb879fe49864 Faulting Package Full Name: Faulting Package Relative Application ID: Event Xml: <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Application Error" Guid="{a0e9b465-b939-57d7-b27d-95d8e925ff57}" /> <EventID>1000</EventID> <Version>0</Version> <Level>2</Level> <Task>100</Task> <Opcode>0</Opcode> <Keywords>0x8000000000000000</Keywords> <TimeCreated SystemTime="2025-06-13T02:02:59.6057841Z" /> <EventRecordID>793400</EventRecordID> <Correlation /> <Execution ProcessID="15432" ThreadID="11684" /> <Channel>Application</Channel> <Computer>DC-MASTER.test.microbin.cn</Computer> <Security UserID="S-1-5-20" /> </System> <EventData> <Data Name="AppName">WindowsAdminCenter.exe</Data> <Data Name="AppVersion">2.4.2.1</Data> <Data Name="AppTimeStamp">674f0000</Data> <Data Name="ModuleName">KERNELBASE.dll</Data> <Data Name="ModuleVersion">10.0.26100.4202</Data> <Data Name="ModuleTimeStamp">fc5b8f29</Data> <Data Name="ExceptionCode">e0434352</Data> <Data Name="FaultingOffset">00000000000c85ea</Data> <Data Name="ProcessId">0x75c8</Data> <Data Name="ProcessCreationTime">0x1dbdc0748f8cfa8</Data> <Data Name="AppPath">C:\Program Files\WindowsAdminCenter\Service\WindowsAdminCenter.exe</Data> <Data Name="ModulePath">C:\WINDOWS\System32\KERNELBASE.dll</Data> <Data Name="IntegratorReportId">80f0b279-ffe4-4584-ac22-cb879fe49864</Data> <Data Name="PackageFullName"> </Data> <Data Name="PackageRelativeAppId"> </Data> </EventData> </Event> Even reinstalled and that won't work. Before install June cumulative update Windows Admin Center works fine and no error happened.
How do I create a new certificate for Windows Admin Center??
I just now observed that our internal WAC certificate was only two months old and it's already expired. Can I simply create and use our own self-signed certificate and use it?? Do I install it like normal certificates within the Certificates MMC and WAC will automagically use it?? Thank you, Tomwinpty error accessing powershell tab
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