| Event Id | 1159 |
| Source | MSExchangeIS |
| Description | Database error <error code> occurred in function <name> while accessing the database "<name>". |
| Event Information | A critical input/output error or disk error has occurred. The database disk may be full. If the error is disk related, increase disk space. |
| Reference Links | XADM:
All Databases in the Storage Group Are Dismounted When One Database Becomes
Unavailable XADM: Cluster Service Terminate Function Does Not Kill the Information Store Unless It Times Out |
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