Good question for someone who has experienced this before.
We are effecting User ID Changes at my company. After the ID Change is effected at the server level we (apparently) cannot simply let the user log in to their PC because the SSID will still be pointing to the old Profile causing problems. We have three options for working around this.
1. Move the Old User directory and remove the profile key from the registry before allowing the user to log in.
2. "Clear the Cache" on the Old Profile by deleting the registry key that links the profile with the ID.
3. Format and reload the entire system.
there is Much debate about what method to use and productions of doom if the right one is not used.
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