| Details | |
| Product: | Exchange |
| Event ID: | 86 |
| Source: | MSExchangeMTA |
| Version: | 6.5.0000.0 |
| Message: | Unable to initialize due to a missing or bad registry parameter (no directory name for this mail server). Contact Microsoft Technical Support. [valuevaluevaluevalue] (16) |
| Explanation | |
| There is missing or corrupted data in the registry. | |
| User Action | |
| Check the registry for missing data in the value entries. Contact Microsoft Product Support Services for assistance. | |