Besides Rollup 5 for Exchange Server 2010 SP2, the Exchange team also released updates of the following Rollups:
The KB article reads that, “This update resolves an issue in which the digital signature on files that are produced and signed by Microsoft expires prematurely as described in Microsoft Security Advisory 2749655.” However, that should have already been fixed already in the v2 updates (refer to the same Security Advisory).
The Exchange Versions, builds & dates page has been updated accordingly, including updated product version numbers.
With all this subversioning of rereleases, one may wonder why they didn’t release Rollup 5 for Exchange as Rollup 4 v3, which perhaps would be less confusing.
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