I recently had a customer where the OWA Redirect in Exchange Online (Exchange Hybrid configuration) did not work. The reason was, that the TargetOWAURL was not set Get-OrganizationRelationship Get-OrganizationRelationship -Identity “O365 to On-Prem*” | fl I have a SharedMailbox OnPrem where my User has FullAccess In Exchange Online i go […]
What is the best way to balance mailbox databases in Exchange Server? There are a couple of ways to balance Exchange mailbox databases. In this article, you will learn how to use the PowerShell script that comes with Exchange Server to rebalance mailbox databases. The organization got two Exchange Servers, and four mailbox databases with […]
You should always disable external access to Exchange Control Panel (ECP). You don’t want a brute force attack on ECP in Exchange Server. It’s a big security risk. The best approach and my advice are to block it on the firewall. The firewall is the first point that will block external access. If it’s not […]
What are the best practice and recommended pagefile for Exchange Server 2013/2016/2019? This article will show the recommended pagefile for an Exchange Server, how to calculate the pagefile and how to configure the pagefile in Exchange Server 2013/2016/2019. Table of contents Pagefile recommend sizing Exchange Server 2013/2016 Exchange Server 2019 Configure pagefile on Exchange Server […]
Get-OWAMailboxPolicy | set-owamailboxpolicy -setphotoenabled:$false Get-CASMailbox -ResultSize Unlimited | Set-CASMailbox -OWAMailboxPolicy Default
While reviewing the event logs on your Exchange server you could encounter the following error. Log Name: Application Source: MSExchange ADAccess Event ID: 2112 Task Category: Topology Description: Process Microsoft.Exchange.Directory.TopologyService.exe (PID=2700). The Exchange computer dc03.supertekboy.com does not have Audit Security Privilege on the domain controller dc03.supertekboy.com. This domain controller will not be used by Exchange […]
OAuth skype for business server 2015 – A random blog from a sysadmin
After upgrading Web Application Proxy (WAP) to Windows Server 2019 you may run into an issue with certain applications that are published via WAP to the Internet. In the below example the AD FS upgrade went well with no issues. The AD FS farm and WAP servers were upgraded to Windows Server 2019 and all […]