Know issues after installed Rollup 4 to Exchange Server 2007 SP1

1. After restarted server some Exchange services did not start in proper time ? solution:
In Registry Editor, locate, and then right-click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control
Point to New, and then click DWORD Value. In the right pane of Registry Editor,
Type ServicesPipeTimeout to replace New Value #1, and then press ENTER.
Right-click the ServicesPipeTimeout registry entry and then click Modify. The Edit DWORD Value dialog box appears.
In the Value data text box, enter the desired timeout value in milliseconds and click OK. For example, if the new service timeout should be 60 seconds (60000 milliseconds), then enter 60000.

2. OWA sites did display properly ? solution:
If folder \ClientAccess\OWA\8.1.311.2\themes\base is empty, copy files from folder \ClientAccess\OWA\8.1.240.5\themes\base for example