Monthly Archives: September 2014

Hide, Un-hide, Mailboxes and Block Office365 Users


——- 1. Open Windows PowerShell Click Start > All Programs > Accessories > Windows PowerShell Note: Right-click Windows PowerShell and select Run as administrator. If you get a user account control prompt that asks if you would like to continue, … Continue reading

Posted in Powershell | Tagged , ,

Renew Web server certificate for Watchguard


Simple steps to renew Watchguard self-signed certificate. I created this blog post to remember the steps as it is a rare task that need to perform. Open Policy Manger Click on Setup –> Authentication –> Web Server Certificate Select Default … Continue reading

Posted in WatchGuard | Tagged

CAL items are restored automatically


Issue Definition: Office 365 Deleted calendar events keep coming back. Resolution: This action will need the global administrator permission for the Office 365 account. 1. Please start the Windows PowerShell in the PC and run it as administrator. 2. Then … Continue reading

Posted in Powershell | Tagged