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:EmailFacebookLinkedInTwitterLike this:Like Loading... Tags: Exchange, Exchange 2007, Microsoft, Server, Service Pack 3