Browsing loại
Cases
Fixing the MSExchangeApplicationLogic event id 3018 error Exchange Server
BackgroundOn an Exchange 2013-2016-2019 server you can run into the following error:Scenario: GetConfig. CorrelationId: 25d232df-4496-4350-a677-ad4f86eeb4ae. The request failed. Mailbox: Url:…
DNS Doctoring on Cisco ASA Config Example
IntroductionThis document shows how DNS Doctoring is used on the Adaptive Security Appliance (ASA) to change the embedded IP addresses in Domain Name System (DNS) responses so that clients can connect to the correct IP address of…
Configuring L2TP/IPSec VPN Connection Behind a NAT, VPN Error Code 809
Due to disabling PPTP VPN support in iOS, one of my clients decided to reconfigure the VPN server running Windows Server 2012 R2 from PPTP to L2TP/IPSec. Internal VPN clients from inside LAN connect to the VPN server without any problems,…
Work from home with Radmin VPN
Currently, with the complicated situation of the Covid19 epidemic, almost everyone has to WFH, so the VPN tool is required to deploy for your business. Today Phuong Nguyen introduces one of the VPN creation tools, Radmin VPN.Radmin VPN…
Share backup & Restore Strategies
Recently, Phuong Nguyen shared a backup strategy for a sysadmin about oracle backup. Today Phuong Nguyen shares with you in general about BackupPart 1: Understanding the data0.Classification of backup dataIn fact, for…
Cluster storage loses access to cluster shared volumes
DescriptionSummary: This article provides information about losing access to cluster shared volumes due to an error "Cluster Shared Volume 'Volume1' ('Volume1') is no longer available on this node becauseSymptoms Issue:…
Exchange database size recommendations
You need to know the Exchange database size limit and recommendations for running an optimal Exchange Server 2016/2019 environment. The Exchange database recommended size is important to know. For example, you want to consult or architect…
Concept Exchange Server High Availability
Why would you consider implementing Exchange Server High Availability (HA)? One of the answers is pretty simple, the Exchange Server needs to stay up and running. In this article, you will have an understanding of the Exchange Server HA.…
HOW TO USE ONLINE MEETING SOFTWARE ZOOM CLOUDING MEETNGS PART 1 – INSTALLATION
TargetCurrently, with the complicated situation of Coivd-19 epidemic, the enhancement of online working from home is an effective solution.Online meetings have many simple and cheap solutions: Webex cisco (Free and fee), Zoom…