http://blogs.msdn.com/jmstall/archive/2007/09/25/interop-debugging-fails-when-using-more-than-63-tls-slots.aspxHere's a Public Service Announcement: Interop-debugging may hang if the debuggee uses more than 63 native Thread Local-Storage slots and then loads the CLR. KB939969 has more details, including three workarounds. This is fixed in Orcas, so only appliesen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/jmstall/archive/2007/09/25/interop-debugging-fails-when-using-more-than-63-tls-slots.aspx#5131926Wed, 26 Sep 2007 03:25:18 GMT91d46819-8472-40ad-a661-2c78acb4018c:5131926Techy News Blog » Interop-debugging fails when using more than 63 TLS slots<p>PingBack from <a rel="nofollow" target="_new" href="http://www.artofbam.com/wordpress/?p=2930">http://www.artofbam.com/wordpress/?p=2930</a></p> http://blogs.msdn.com/jmstall/archive/2007/09/25/interop-debugging-fails-when-using-more-than-63-tls-slots.aspx#5192933Sat, 29 Sep 2007 01:29:45 GMT91d46819-8472-40ad-a661-2c78acb4018c:5192933Pawel Pabich<p>&quot;This is fixed in Orcas, so only applies to pre-Orcas runtimes (like .NET 2.0).&quot;</p> <p>As far as I know Orcas still uses the same runtime as VS 2005 does. The only difference is &nbsp;related to the libraries that are part of BCL. Or &nbsp;I'm missing something?</p>http://blogs.msdn.com/jmstall/archive/2007/09/25/interop-debugging-fails-when-using-more-than-63-tls-slots.aspx#5203437Sun, 30 Sep 2007 00:47:29 GMT91d46819-8472-40ad-a661-2c78acb4018c:5203437jmstall<p>Orcas includes a service pack to the VS2005 runtime. This fix is in that service pack.</p>