Exchange 5.5维护指导

一:重启和停止服务
如许停止服务或重启服务应完全停止服务；
启动服务顺序(服务依赖）：
1. Microsoft Exchange System Attendant
2. Microsoft Exchange Directory
3. Microsoft Exchange Information Store
4. Microsoft Exchange Messaging Transfer Agent
5. Microsoft Exchange Internet Mail Connector
6. Microsoft Exchange Key Manager

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二:服务依赖关系
The DS depends on the SA
The IS depends on the DS and SA
The MTA depends on the DS and SA
The IMC depends on the SA, DS, IS, and MTA

三:内建的恢复措施
The DS, IS, and MTA all have built-in startup recovery methods
The DS and IS both go through JET recovery
If the MTA service did not stop cleanly, it will perform an MTACheck at startup

四:服务启动失败
首先检查事件察看器；
是否在修复过程中；
If the MTA will not start, try stopping the IS prior to starting the MTA. If the MTA will then start, start the IS and monitor the server
If the IMC fails to start, check the Hosts file. The IMC server must know each target server
Booting the server can do wonders. Sometimes the machine is simply in a state where a reboot is required DL.bitsCN.com网管软件下载

五:服务停止失败
If a service is in an uncontrollable state, the process will have to be terminated before the service can be brought online.
If a service stop is aborted, it will leave the service in an unknown state. Use SRVINFO and the event application log to verify the state of a service.
To force a process to terminate, use KILL.EXE or PVIEW.EXE.
Use TLIST.EXE to verify the process has been successfully terminated
Performance Monitors性能监测
MSExchangeMTA, Work Queue Length.
MSExchangeMTA, Messages Delivered per Minute.
Exchange services processes
Paging File, % Usage
LogicalDisk, Free Megabytes, Instance:
MSExchangeIS, Active Connection Count.
MSExhangeDS, Pending Replications.
MSExchangeDS, Remaining Replication Updates
Exchange Monitors
Server monitors check each listed server to verify specific services are running. A Server Monitor can be used to track any Windows NT service if desired.
Link Monitors send “ping” messages to the listed servers. If the ping is not returned in a defined amount of time, an alert is sent to the TECHNICIAN pager.

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Offline Defragmentation
Offline defragmentation is performed for two reasons. The first is to reduce the size of a database. The second reason is to create a defragmented database.
Because of tree fragmentation, there may be a situation when the IS will not accept messages fast enough to keep up with the incoming volume. When this is the case, an offline compaction will create a database that is free from the problems.
Before a database is compacted, its corresponding service must be stopped. It is recommended that all of the Exchange Services be stopped. clean
Offline Defragmentation
Database Consistency ——ESEUTIL /d PRIV.EDB， Other databases are DIR.EDB and PUB.EDB
Starting and stopping the database will make the database consistent. Alternately, EDBUTIL /R /IS or EDBUTIL /R /DS will do a “soft” recovery of the database and bring it to a consistent state
Procedure
Once the Exchange services have been stopped, change to the directory that contains the database to be defragmented. It is recommended that the database be backed up before defragmentation is performed. If there is an internal problem (other than normal JET BTREE corruption), there is a chance that defragmentation will result in an unusable database.

六:Procedure
Private and Public Information Stores
1. Net Stop MSEXCHANGEIS (also stop the MTA, DS, and SA)
2. Verify the services stopped cleanly
3. Change to D:\EXCHSRVR\MDBDATA
4. (Optional) XCOPY *.* \BACKUP\xxxx\ (where xxxx is the date, for example, “0929”)
5. D:\EXCHSRVR\BIN\EDBUTIL /D PRIV.EDB /N for the Private store
6. D:\EXCHSRVR\BIN\EDBUTIL /D PUB.EDB /N for the Public store
7. Start the Exchange services
Procedure
Directory Store
1. Net Stop MSEXCHANGEDS (also stop the MTA, IS, and SA)
2. Change to D:\EXCHSRVR\DSADATA
3. (Optional) XCOPY *.* \BACKUP\xxxx\ (where xxxx is the date, for example, “0929”)
4. D:\EXCHSRVR\BIN\EDBUTIL /D DIR.EDB /N
5. Start the Exchange services bbs.bitsCN.com

七:Outlook Web Access
Outlook Web Access describes a set of services that allows the use of a Web browser as a mail client to access various Exchange services
HTTP Settings ——The HHTP protocol is enabled in all messaging sites, at the site leve ；
IIS Settings ——Due to limitations within Windows NT/LAN Manager, these systems are configured with BASIC Authentication SSL. An SSL certificate is required for each server to enable the service

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