| Event Id | 2090 |
| Source | MSExchangeDSAccess |
| Description | The Configuration Domain Controller specified in the registry (server name) is unreachable. DSAccess will choose the Configuration Domain Controller from the list of available Domain Controllers. |
| Event Information | Following information from a newsgroup post may help: "Sounds like you have the Global Catalog statically set in the registry. I would remove this setting to allow Exchange to find another GC and troubleshoot the problem as to why this GC is not available- refer Q250570" |
| Reference Links | Directory service server detection and DSAccess usag(Q250570. |
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