Validating problem wireless
Most of us making large-scale changes have detailed checkout plans that involve verifying the state of devices throughout the change window.
Developing the test plan can many times become more work than planning the actual change.
Is this a fairly new thing for Windows XP (maybe a service pack or update) or did I just never encounter this for the first few years while using Windows XP?
Validating that the application is healthy has very little to do with validating that the network is healthy.
The problem is usually caused by XP not being updated or patched to handle WPA/WPA-2. displaylang=en&id=1974 Also, check to see if there is an updated driver for your wireless. If it is SP2, you need to upgrade it to SP3 for best connectivity across all encryption modes.
Maybe some fairly recent Windows XP update automatically checks the "Enable IEEE 802.1x authentication for this network" box under the Wireless Network Properties?
Not only are these alerts often misleading, they are also prone to being missed or mischaracterized as smaller problems.
Many times, monitoring focuses on the application level-probes.