I was on a Webex with a customer a few week ago because they had a serious issue with the SMP console being very slow.
It's one of my customer, so I was a little surprised given we implemented quite a few fixes. Anyhow, we double check and we could see that the Application Pool was correctly split, and the Task Server workload was nicely off the SMP.
I opened the task manager. It showed the Altiris-NS-Agent w3wp process running at a high CPU
A glance at the Altiris Log Viewer showed the poor thing almost all red (bleeding to death???).
A quick inspection on the error all pointed to the Client Policy request and problems with patch management (SqlDeadlock and exceptions). So I asked the customer (and their partner who was on-site) if they had changed the patch management or if they were doing something.
As it happened they were running the PMImport after having removing unnecessary languages and platforms. As I remembered from past .Net...