
Exchange 2016 – error 5506 when installing cumulative update
While installing Cumulative Update 14 (CU14) on one of my Exchange 2016 servers it failed at step 10 (Mailbox role: Transport service) with the following error: An unexpected error occurred while modifying the forms authentication settings for path /LM/W3SVC/1. The…

The system load quota of 1000 requests per 2 seconds has been exceeded
While opening the EMC on an Exchange 2010 mailbox server today I was confronted with an error that I haven’t seen before: The attempt to connect to http://<servername>/PowerShell using “Kerberos” authentication failed: Connecting to remote server failed with the following…

Using the Export-ActiveSyncLog PowerShell command
Today I have used the Export-ActiveSyncLog PowerShell command for the first time. I stumbled across it while troubleshooting an issue with a HTC handset that wasn’t downloading email. The command parses the IIS logs and generates some CSV files that…