Prerequisites
A component used within Exchange requires a new Visual C++ prerequisite to be installed with Exchange Server. The prerequisite can be downloaded at Visual C++ Redistributable Packages for Visual Studio 2013. Please see KB 4295081 for more information.
Installation instructions
Learn more about how to install the latest update rollup for Exchange Server 2010.
Also learn about the following update installation scenarios.
Install the update on computers that aren't connected to the Internet
When you install this update rollup on a computer that isn't connected to the Internet, you may experience a long installation time. Additionally, you may receive the following message:
Creating Native images for .Net assemblies.
This behavior is caused by network requests to connect to the following website:
http://crl.microsoft.com/pki/crl/products/CodeSigPCA.crl
These network requests represent attempts to access the certificate revocation list for each assembly that native image generation (NGen) compiles to native code. However, because the server that's running Exchange Server isn't connected to the Internet, each request must wait to time out before the process continues.
To fix this issue, follow these steps:
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On the Tools menu in Internet Explorer, select Internet Options, and then select Advanced.
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In the Security section, clear the Check for publisher's certificate revocation check box, and then select OK.
Note Clear this security option in Internet Explorer only if the computer is in a tightly-controlled environment.
- When the setup is finished, select the Check for publisher's certificate revocation check box again.
Install the update on computers that have customized Outlook Web App files
Important Before you apply this update rollup, make a backup copy of any customized Outlook Web App files.
When you apply an update rollup package, the update process updates the Outlook Web App files, if it's required. Therefore, any customizations to the Logon.aspx file or to other Outlook Web App files are overwritten, and you must re-create the Outlook Web App customizations in Logon.aspx.
Restart requirement
The required services are restarted automatically after you apply this update rollup.
Removal information
To remove Update Rollup 22 for Exchange Server 2010 SP3, use the Add or Remove Programs item in Control Panel to remove update 4295699.