Symptoms. Considering one of your Microsoft Lync Server 2013 Front End servers stops responding, it might be back to usual about 3 to 5 days after you restart the RtcSrv.exe (Skype for Business Server Front-End) service in the problematic server.

Anti-malware platform updates for Windows 10 and Windows Server 2016 are typically delivered through updates to Windows Defender. This specific issue only affects those Windows 10 or Windows Server 2016 computers managed by Endpoint Protection. How to obtain this update. This update is available from Microsoft Update. Version information

Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista/Windows Server 2008" on the ...

Fixes an issue in which a memory leak occurs in the Svchost.exe process that hosts the WinMgmt service in Windows Server 2012. This issue occurs after the Server Manager is opened for a long time on the computer. ... When you leave Server Manager running in Windows Server 2012, a memory leak issue occurs in the Svchost.exe process that hosts ...

In this situation, the RTCSrv.exe progress crashes on the Edge server every hour. Additionally, the following events are logged in Event Viewer:Note This issue only occurs when you have lots of federated users or you have deployed the Edge server for a long time. For example, 1000 certificates from federated users are stored in the Edge server.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8 and Windows Server 2012" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components.

Memory usage may exceed 10 GB for a single noderunner.exe process, and handle counts may exceed 20,000. Additionally, the following event may be logged in the Application log: If you review the Search Service logs, you may see several events that contain the following text:

This issue occurs because the target server is not a member of the Managed Availability Server Group when the delegated admin runs setup. Resolution. To fix this issue, install Cumulative Update 17 or a later cumulative update for Exchange Server 2013 before you run setup.exe with the /NewProvisionedServer switch. Workaround

The Exchange server receives a message that contains invalid character sets on the Subject line. For example, the Subject line contains the GB2313 charset (charset value is 134) or the CHINESEBIG5 charset (charset value is 136). In this situation, the Microsoft Exchange Transport service (EdgeTransport.exe) crashes, and the message is not ...

This article describes an issue that occurs when the Lsass.exe process crashes in Windows Server 2008 R2 Service Pack 1 (SP1) or Windows 7 SP1. A hotfix is available to resolve this issue. The hotfix has a prerequisite. Cause. The RPC return value for a method inside the Lsass.exe process is expected to be in the range of 0 to 4.