Update Rollup 17 for Exchange Server 2007 Service Pack 3 Microsoft released Rollup 17 for Exchange 2007 SP3 Fixes: KB 3057222 “InvaIidOperationException” error and cannot open digitally signed or NDR messages in FIPS-enabled Exchange Server 2007 Download Share this: Click to email a link to a friend (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on X (Opens in new window) X Like this:Like Loading...