OWA not showing picture after applying rollup 10 for Exchange 2007 SP3

If you install Rollup 10 for Exhcange 2007 SP3 and tried to log in to OWA, sometimes you face issue that all icons are not showing like, sign off, inbox, etc..

this issue happens because rollup 10 doesn't create web.config on the new folder for OWA. to resolve this issue copy web.config from the old folder in OWA "8.3.1" to "8.239.1"


it should works..

Lync 2013 Forest Preparation Error: Object reference not set to an instance of an object

If you’re installing Lync 2013 and you got following error on Forest Preparation steps.

Error: Object reference not set to an instance of an object

▼ Details

└ Type: NullReferenceException

└ ▼ Stack Trace

└ at

Microsoft.Rtc.Management.Deployment.LcForest.SetupGroupKey(SharedSecretKey

groupKey, String ownerGroup, IEnumerable`1 readerGroups, String preferredDC)

at Microsoft.Rtc.Management.Deployment.LcForest.PrepareForest()
————————

To Solve Problem: Open Lync Management Shell and Type following;

Enable-CsAdForest -GroupDomain domain.local -GroupDomainController dc.domain.local -GlobalCatalog dc.domain.local

(dc.domain.local = your company’s top domain controller)