Event ID - 108

Event Id108
SourceEXOLEDB
DescriptionMicrosoft Exchange OLEDB was unable to either create an event sink object or get necessary interface(s) from the sink class specified by ExSchema.XmlPromotion.1, HRESULT = 0x80070005.
Event InformationAccording to Microsoft:
CAUSE :

This issue may occur when the following conditions are true:
• In the DCOM Configuration utility (Dcomcnfg.exe), the default permissions have been modified. They have been modified in the Default Access Permissions area of the Default Security tab in the DCOM Configuration utility.
• The system account and the Interactive special group have not been explicitly added. They must be granted Allow Access permissions.
RESOLUTION :
To resolve the problem, add the system account and the Interactive special group. Grant them Allow Access permissions. To do this, follow these steps:
1. Click Start, click Run, type dcomcnfg in the Open box, and then click OK.
2. Click the Default Security tab, and then click Edit Default under Default Access Permissions.
3. Click Add to add SYSTEM and INTERACTIVE and to grant them Allow Access permissions.
4. Click OK.
Reference LinksYou may receive Event ID 108 after you upgrade Server to a new service pack

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