This is a heads up that Update Rollup 6 for Exchange Server 2007 SP1 should be out on Tuesday February 10, 2009. As you can see the rollup release date coincides with the day Microsoft issues secur...
Updated Jul 01, 2019
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Update Rollup 6 for Exchange Server 2007 SP1 to be released on February 10th 2009
Ken.. The reason why it takes longer to "Create native images for .net assemblies" is mentioned below and in the link
During this phase of the installation, the rollup invokes the Native Image Generator (Ngen.exe) tool. This tool completes a precompilation, or "pre-JITing," of the managed code that is updated on the system to help improve performance. This step can take a long time, and it depends on the following conditions:
The speed of the processors and the hard disk drives that are used by the computer.
The Internet connection and the access speed to the Certificate Revocation List Web site.
The Ngen.exe tool uses this Web site to verify that the publisher's certificate has not been revoked.
http://technet.microsoft.com/en-us/library/bb676686.aspx
It took surprisingly as long as 14 hours to install update rollup 6 on our mailbox server role with the below configuration
4 GB RAM, Intel Xeon 3GHz, Windows 2003
During this phase of the installation, the rollup invokes the Native Image Generator (Ngen.exe) tool. This tool completes a precompilation, or "pre-JITing," of the managed code that is updated on the system to help improve performance. This step can take a long time, and it depends on the following conditions:
The speed of the processors and the hard disk drives that are used by the computer.
The Internet connection and the access speed to the Certificate Revocation List Web site.
The Ngen.exe tool uses this Web site to verify that the publisher's certificate has not been revoked.
http://technet.microsoft.com/en-us/library/bb676686.aspx
It took surprisingly as long as 14 hours to install update rollup 6 on our mailbox server role with the below configuration
4 GB RAM, Intel Xeon 3GHz, Windows 2003