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Yes, hours. As in 5, maybe 6 hours. I am sitting here staring at the uninstall progress bar stuck on 80%.

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Because Microsoft hates you. – Nate Oct 2 '10 at 19:26
I wish you had offered that as an answer, not a comment, I would have then marked it as the accepted answer. – TallPines Oct 2 '10 at 21:20

Have you disabled your anti-virus?

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I don't have any AV software running. Good suggestion though. – TallPines Oct 2 '10 at 21:20

It could have just hanged... Have you tried watched system load? Process explorer is a good one to start with.

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It completes. Actually there are many components to it that I must uninstall one by one, and each one takes upwards of 5 hours, and eventually completes. – TallPines Oct 2 '10 at 21:20
In that case, try to look for bottlenecks: CPU usage, disk usage, open connections, etc. Use Process Monitor (also from technet) to look for system calls that take unusually long time. – Hubert Kario Oct 2 '10 at 23:49

That sounds strange although I have seen uninstalls for SQL Server 2008 R2 take upwards to 30-40 minutes but never that long. Did you install every component? Was the SQL service running? Were there open connections to SQL/ODBC? Were there large dbs?

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Here's a checklist that usually makes the process go smoothly

  • backup/detach your DBs
  • stop all SQL services, AV, hardware/software monitoring software
  • make sure you have the correct permissions (safe assumption)
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If there were processes connected to the database engine it is probably waiting on them to disconnect before it is able to detach the databases before uninstall. Just a guess though. It probably says in the logs somewhere.

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